Description of Quantities and Notes

Atomic Number = 1
Atomic Symbol = H
Mass Number = 1
Relative Atomic Mass = 1.00782503223(9)
Isotopic Composition = 0.999885(70)
Standard Atomic Weight = [1.00784,1.00811]
Notes = m

Atomic Number = 1
Atomic Symbol = D
Mass Number = 2
Relative Atomic Mass = 2.01410177812(12)
Isotopic Composition = 0.000115(70)
Standard Atomic Weight = [1.00784,1.00811]
Notes = m

Atomic Number = 1
Atomic Symbol = T
Mass Number = 3
Relative Atomic Mass = 3.0160492779(24)
Isotopic Composition = 
Standard Atomic Weight = [1.00784,1.00811]
Notes = m

Atomic Number = 1
Atomic Symbol = H
Mass Number = 4
Relative Atomic Mass = 4.02643(11)
Isotopic Composition = 
Standard Atomic Weight = [1.00784,1.00811]
Notes = m

Atomic Number = 1
Atomic Symbol = H
Mass Number = 5
Relative Atomic Mass = 5.035311(96)
Isotopic Composition = 
Standard Atomic Weight = [1.00784,1.00811]
Notes = m

Atomic Number = 1
Atomic Symbol = H
Mass Number = 6
Relative Atomic Mass = 6.04496(27)
Isotopic Composition = 
Standard Atomic Weight = [1.00784,1.00811]
Notes = m

Atomic Number = 1
Atomic Symbol = H
Mass Number = 7
Relative Atomic Mass = 7.0527(11#)
Isotopic Composition = 
Standard Atomic Weight = [1.00784,1.00811]
Notes = m

Atomic Number = 2
Atomic Symbol = He
Mass Number = 3
Relative Atomic Mass = 3.0160293201(25)
Isotopic Composition = 0.00000134(3)
Standard Atomic Weight = 4.002602(2)
Notes = g,r

Atomic Number = 2
Atomic Symbol = He
Mass Number = 4
Relative Atomic Mass = 4.00260325413(6)
Isotopic Composition = 0.99999866(3)
Standard Atomic Weight = 4.002602(2)
Notes = g,r

Atomic Number = 2
Atomic Symbol = He
Mass Number = 5
Relative Atomic Mass = 5.012057(21)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r

Atomic Number = 2
Atomic Symbol = He
Mass Number = 6
Relative Atomic Mass = 6.018885891(57)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r

Atomic Number = 2
Atomic Symbol = He
Mass Number = 7
Relative Atomic Mass = 7.0279907(81)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r

Atomic Number = 2
Atomic Symbol = He
Mass Number = 8
Relative Atomic Mass = 8.033934390(95)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r

Atomic Number = 2
Atomic Symbol = He
Mass Number = 9
Relative Atomic Mass = 9.043946(50)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r

Atomic Number = 2
Atomic Symbol = He
Mass Number = 10
Relative Atomic Mass = 10.05279(11)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 3
Relative Atomic Mass = 3.0308(21#)
Isotopic Composition = 
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 4
Relative Atomic Mass = 4.02719(23)
Isotopic Composition = 
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 5
Relative Atomic Mass = 5.012538(54)
Isotopic Composition = 
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 6
Relative Atomic Mass = 6.0151228874(16)
Isotopic Composition = 0.0759(4)
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 7
Relative Atomic Mass = 7.0160034366(45)
Isotopic Composition = 0.9241(4)
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 8
Relative Atomic Mass = 8.022486246(50)
Isotopic Composition = 
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 9
Relative Atomic Mass = 9.02679019(20)
Isotopic Composition = 
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 10
Relative Atomic Mass = 10.035483(14)
Isotopic Composition = 
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 11
Relative Atomic Mass = 11.04372358(66)
Isotopic Composition = 
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 12
Relative Atomic Mass = 12.052517(16)
Isotopic Composition = 
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 13
Relative Atomic Mass = 13.06263(38)
Isotopic Composition = 
Standard Atomic Weight = [6.938,6.997]
Notes = m

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 5
Relative Atomic Mass = 5.0399(22#)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 6
Relative Atomic Mass = 6.0197264(58)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 7
Relative Atomic Mass = 7.016928717(76)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 8
Relative Atomic Mass = 8.005305102(37)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 9
Relative Atomic Mass = 9.012183065(82)
Isotopic Composition = 1
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 10
Relative Atomic Mass = 10.013534695(86)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 11
Relative Atomic Mass = 11.02166108(26)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 12
Relative Atomic Mass = 12.0269221(20)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 13
Relative Atomic Mass = 13.036135(11)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 14
Relative Atomic Mass = 14.04289(14)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 15
Relative Atomic Mass = 15.05342(43#)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 16
Relative Atomic Mass = 16.06167(18)
Isotopic Composition = 
Standard Atomic Weight = 9.0121831(5)
Notes =  

Atomic Number = 5
Atomic Symbol = B
Mass Number = 6
Relative Atomic Mass = 6.0508(22#)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 7
Relative Atomic Mass = 7.029712(27)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 8
Relative Atomic Mass = 8.0246073(11)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 9
Relative Atomic Mass = 9.01332965(97)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 10
Relative Atomic Mass = 10.01293695(41)
Isotopic Composition = 0.199(7)
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 11
Relative Atomic Mass = 11.00930536(45)
Isotopic Composition = 0.801(7)
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 12
Relative Atomic Mass = 12.0143527(14)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 13
Relative Atomic Mass = 13.0177802(12)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 14
Relative Atomic Mass = 14.025404(23)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 15
Relative Atomic Mass = 15.031088(23)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 16
Relative Atomic Mass = 16.039842(26)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 17
Relative Atomic Mass = 17.04699(18)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 18
Relative Atomic Mass = 18.05566(18)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 19
Relative Atomic Mass = 19.06310(43#)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 20
Relative Atomic Mass = 20.07207(75#)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 5
Atomic Symbol = B
Mass Number = 21
Relative Atomic Mass = 21.08129(97#)
Isotopic Composition = 
Standard Atomic Weight = [10.806,10.821]
Notes = m

Atomic Number = 6
Atomic Symbol = C
Mass Number = 8
Relative Atomic Mass = 8.037643(20)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 9
Relative Atomic Mass = 9.0310372(23)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 10
Relative Atomic Mass = 10.01685331(42)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 11
Relative Atomic Mass = 11.0114336(10)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 12
Relative Atomic Mass = 12.0000000(00)
Isotopic Composition = 0.9893(8)
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 13
Relative Atomic Mass = 13.00335483507(23)
Isotopic Composition = 0.0107(8)
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 14
Relative Atomic Mass = 14.0032419884(40)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 15
Relative Atomic Mass = 15.01059926(86)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 16
Relative Atomic Mass = 16.0147013(38)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 17
Relative Atomic Mass = 17.022577(19)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 18
Relative Atomic Mass = 18.026751(32)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 19
Relative Atomic Mass = 19.03480(11)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 20
Relative Atomic Mass = 20.04032(26)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 21
Relative Atomic Mass = 21.04900(43#)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 22
Relative Atomic Mass = 22.05753(26)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 6
Atomic Symbol = C
Mass Number = 23
Relative Atomic Mass = 23.0689(11#)
Isotopic Composition = 
Standard Atomic Weight = [12.0096,12.0116]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 10
Relative Atomic Mass = 10.04165(43)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 11
Relative Atomic Mass = 11.026091(50)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 12
Relative Atomic Mass = 12.0186132(11)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 13
Relative Atomic Mass = 13.00573861(29)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 14
Relative Atomic Mass = 14.00307400443(20)
Isotopic Composition = 0.99636(20)
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 15
Relative Atomic Mass = 15.00010889888(64)
Isotopic Composition = 0.00364(20)
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 16
Relative Atomic Mass = 16.0061019(25)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 17
Relative Atomic Mass = 17.008449(16)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 18
Relative Atomic Mass = 18.014078(20)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 19
Relative Atomic Mass = 19.017022(18)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 20
Relative Atomic Mass = 20.023366(60)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 21
Relative Atomic Mass = 21.02711(10)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 22
Relative Atomic Mass = 22.03439(21)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 23
Relative Atomic Mass = 23.04114(32#)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 24
Relative Atomic Mass = 24.05039(43#)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 7
Atomic Symbol = N
Mass Number = 25
Relative Atomic Mass = 25.06010(54#)
Isotopic Composition = 
Standard Atomic Weight = [14.00643,14.00728]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 12
Relative Atomic Mass = 12.034262(26)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 13
Relative Atomic Mass = 13.024815(10)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 14
Relative Atomic Mass = 14.00859636(12)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 15
Relative Atomic Mass = 15.00306562(53)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 16
Relative Atomic Mass = 15.99491461957(17)
Isotopic Composition = 0.99757(16)
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 17
Relative Atomic Mass = 16.99913175650(69)
Isotopic Composition = 0.00038(1)
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 18
Relative Atomic Mass = 17.99915961286(76)
Isotopic Composition = 0.00205(14)
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 19
Relative Atomic Mass = 19.0035780(28)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 20
Relative Atomic Mass = 20.00407535(95)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 21
Relative Atomic Mass = 21.008655(13)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 22
Relative Atomic Mass = 22.009966(61)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 23
Relative Atomic Mass = 23.015696(97)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 24
Relative Atomic Mass = 24.01986(12)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 25
Relative Atomic Mass = 25.02936(12)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 26
Relative Atomic Mass = 26.03729(17)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 27
Relative Atomic Mass = 27.04772(54#)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 8
Atomic Symbol = O
Mass Number = 28
Relative Atomic Mass = 28.05591(75#)
Isotopic Composition = 
Standard Atomic Weight = [15.99903,15.99977]
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 14
Relative Atomic Mass = 14.034315(44)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 15
Relative Atomic Mass = 15.018043(67)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 16
Relative Atomic Mass = 16.0114657(89)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 17
Relative Atomic Mass = 17.00209524(27)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 18
Relative Atomic Mass = 18.00093733(50)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 19
Relative Atomic Mass = 18.99840316273(92)
Isotopic Composition = 1
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 20
Relative Atomic Mass = 19.999981252(31)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 21
Relative Atomic Mass = 20.9999489(19)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 22
Relative Atomic Mass = 22.002999(13)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 23
Relative Atomic Mass = 23.003557(54)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 24
Relative Atomic Mass = 24.008115(78)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 25
Relative Atomic Mass = 25.012199(81)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 26
Relative Atomic Mass = 26.020038(83)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 27
Relative Atomic Mass = 27.02644(20)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 28
Relative Atomic Mass = 28.03534(21)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 29
Relative Atomic Mass = 29.04254(54#)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 30
Relative Atomic Mass = 30.05165(64#)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 31
Relative Atomic Mass = 31.05971(56#)
Isotopic Composition = 
Standard Atomic Weight = 18.998403163(6)
Notes =  

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 16
Relative Atomic Mass = 16.025750(22)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 17
Relative Atomic Mass = 17.01771396(38)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 18
Relative Atomic Mass = 18.00570870(39)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 19
Relative Atomic Mass = 19.00188091(17)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 20
Relative Atomic Mass = 19.9924401762(17)
Isotopic Composition = 0.9048(3)
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 21
Relative Atomic Mass = 20.993846685(41)
Isotopic Composition = 0.0027(1)
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 22
Relative Atomic Mass = 21.991385114(18)
Isotopic Composition = 0.0925(3)
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 23
Relative Atomic Mass = 22.99446691(11)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 24
Relative Atomic Mass = 23.99361065(55)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 25
Relative Atomic Mass = 24.997789(48)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 26
Relative Atomic Mass = 26.000515(20)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 27
Relative Atomic Mass = 27.007553(70)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 28
Relative Atomic Mass = 28.01212(10)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 29
Relative Atomic Mass = 29.01975(11)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 30
Relative Atomic Mass = 30.02473(30)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 31
Relative Atomic Mass = 31.0331(17)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 32
Relative Atomic Mass = 32.03972(54#)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 33
Relative Atomic Mass = 33.04938(64#)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 34
Relative Atomic Mass = 34.05673(55#)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 18
Relative Atomic Mass = 18.02688(12)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 19
Relative Atomic Mass = 19.013880(11)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 20
Relative Atomic Mass = 20.0073544(12)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 21
Relative Atomic Mass = 20.99765469(30)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 22
Relative Atomic Mass = 21.99443741(18)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 23
Relative Atomic Mass = 22.9897692820(19)
Isotopic Composition = 1
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 24
Relative Atomic Mass = 23.990962950(38)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 25
Relative Atomic Mass = 24.9899540(13)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 26
Relative Atomic Mass = 25.9926346(38)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 27
Relative Atomic Mass = 26.9940765(40)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 28
Relative Atomic Mass = 27.998939(11)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 29
Relative Atomic Mass = 29.0028771(79)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 30
Relative Atomic Mass = 30.0090979(51)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 31
Relative Atomic Mass = 31.013163(25)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 32
Relative Atomic Mass = 32.02019(13)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 33
Relative Atomic Mass = 33.02573(64#)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 34
Relative Atomic Mass = 34.03359(54#)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 35
Relative Atomic Mass = 35.04062(63#)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 36
Relative Atomic Mass = 36.04929(64#)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 37
Relative Atomic Mass = 37.05705(65#)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 19
Relative Atomic Mass = 19.034169(54)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 20
Relative Atomic Mass = 20.018850(29)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 21
Relative Atomic Mass = 21.011716(18)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 22
Relative Atomic Mass = 21.99957065(34)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 23
Relative Atomic Mass = 22.99412421(74)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 24
Relative Atomic Mass = 23.985041697(14)
Isotopic Composition = 0.7899(4)
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 25
Relative Atomic Mass = 24.985836976(50)
Isotopic Composition = 0.1000(1)
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 26
Relative Atomic Mass = 25.982592968(31)
Isotopic Composition = 0.1101(3)
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 27
Relative Atomic Mass = 26.984340624(53)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 28
Relative Atomic Mass = 27.9838767(22)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 29
Relative Atomic Mass = 28.988617(12)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 30
Relative Atomic Mass = 29.9904629(37)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 31
Relative Atomic Mass = 30.9966480(33)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 32
Relative Atomic Mass = 31.9991102(34)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 33
Relative Atomic Mass = 33.0053271(31)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 34
Relative Atomic Mass = 34.008935(31)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 35
Relative Atomic Mass = 35.01679(19)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 36
Relative Atomic Mass = 36.02188(49)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 37
Relative Atomic Mass = 37.03037(54#)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 38
Relative Atomic Mass = 38.03658(54#)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 39
Relative Atomic Mass = 39.04538(55#)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 40
Relative Atomic Mass = 40.05218(64#)
Isotopic Composition = 
Standard Atomic Weight = [24.304,24.307]
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 21
Relative Atomic Mass = 21.02897(43#)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 22
Relative Atomic Mass = 22.01954(43#)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 23
Relative Atomic Mass = 23.00724435(37)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 24
Relative Atomic Mass = 23.9999489(12)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 25
Relative Atomic Mass = 24.99042810(51)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 26
Relative Atomic Mass = 25.986891904(69)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 27
Relative Atomic Mass = 26.98153853(11)
Isotopic Composition = 1
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 28
Relative Atomic Mass = 27.98191021(13)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 29
Relative Atomic Mass = 28.9804565(10)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 30
Relative Atomic Mass = 29.982960(15)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 31
Relative Atomic Mass = 30.983945(22)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 32
Relative Atomic Mass = 31.988085(13)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 33
Relative Atomic Mass = 32.990909(81)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 34
Relative Atomic Mass = 33.996705(74)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 35
Relative Atomic Mass = 34.999764(75)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 36
Relative Atomic Mass = 36.00639(11)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 37
Relative Atomic Mass = 37.01053(13)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 38
Relative Atomic Mass = 38.01740(27)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 39
Relative Atomic Mass = 39.02254(54#)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 40
Relative Atomic Mass = 40.03003(54#)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 41
Relative Atomic Mass = 41.03638(64#)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 42
Relative Atomic Mass = 42.04384(64#)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 43
Relative Atomic Mass = 43.05147(75#)
Isotopic Composition = 
Standard Atomic Weight = 26.9815385(7)
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 22
Relative Atomic Mass = 22.03579(54#)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 23
Relative Atomic Mass = 23.02544(54#)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 24
Relative Atomic Mass = 24.011535(21)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 25
Relative Atomic Mass = 25.004109(11)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 26
Relative Atomic Mass = 25.99233384(11)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 27
Relative Atomic Mass = 26.98670481(15)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 28
Relative Atomic Mass = 27.97692653465(44)
Isotopic Composition = 0.92223(19)
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 29
Relative Atomic Mass = 28.97649466490(52)
Isotopic Composition = 0.04685(8)
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 30
Relative Atomic Mass = 29.973770136(23)
Isotopic Composition = 0.03092(11)
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 31
Relative Atomic Mass = 30.975363194(46)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 32
Relative Atomic Mass = 31.97415154(32)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 33
Relative Atomic Mass = 32.97797696(75)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 34
Relative Atomic Mass = 33.978576(15)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 35
Relative Atomic Mass = 34.984583(41)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 36
Relative Atomic Mass = 35.986695(77)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 37
Relative Atomic Mass = 36.992921(89)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 38
Relative Atomic Mass = 37.995523(75)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 39
Relative Atomic Mass = 39.002491(97)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 40
Relative Atomic Mass = 40.00583(25)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 41
Relative Atomic Mass = 41.01301(40)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 42
Relative Atomic Mass = 42.01778(54#)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 43
Relative Atomic Mass = 43.02480(64#)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 44
Relative Atomic Mass = 44.03061(64#)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 45
Relative Atomic Mass = 45.03995(75#)
Isotopic Composition = 
Standard Atomic Weight = [28.084,28.086]
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 24
Relative Atomic Mass = 24.03577(54#)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 25
Relative Atomic Mass = 25.02119(43#)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 26
Relative Atomic Mass = 26.01178(21#)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 27
Relative Atomic Mass = 26.999224(28)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 28
Relative Atomic Mass = 27.9923266(12)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 29
Relative Atomic Mass = 28.98180079(60)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 30
Relative Atomic Mass = 29.97831375(34)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 31
Relative Atomic Mass = 30.97376199842(70)
Isotopic Composition = 1
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 32
Relative Atomic Mass = 31.973907643(42)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 33
Relative Atomic Mass = 32.9717257(12)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 34
Relative Atomic Mass = 33.97364589(87)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 35
Relative Atomic Mass = 34.9733141(20)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 36
Relative Atomic Mass = 35.978260(14)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 37
Relative Atomic Mass = 36.979607(41)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 38
Relative Atomic Mass = 37.984252(93)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 39
Relative Atomic Mass = 38.986227(98)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 40
Relative Atomic Mass = 39.99133(12)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 41
Relative Atomic Mass = 40.994654(86)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 42
Relative Atomic Mass = 42.00108(23)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 43
Relative Atomic Mass = 43.00502(40)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 44
Relative Atomic Mass = 44.01121(54#)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 45
Relative Atomic Mass = 45.01645(64#)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 46
Relative Atomic Mass = 46.02446(75#)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 47
Relative Atomic Mass = 47.03139(86#)
Isotopic Composition = 
Standard Atomic Weight = 30.973761998(5)
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 26
Relative Atomic Mass = 26.02907(64#)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 27
Relative Atomic Mass = 27.01828(43#)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 28
Relative Atomic Mass = 28.00437(17)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 29
Relative Atomic Mass = 28.996611(54)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 30
Relative Atomic Mass = 29.98490703(40)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 31
Relative Atomic Mass = 30.97955701(25)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 32
Relative Atomic Mass = 31.9720711744(14)
Isotopic Composition = 0.9499(26)
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 33
Relative Atomic Mass = 32.9714589098(15)
Isotopic Composition = 0.0075(2)
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 34
Relative Atomic Mass = 33.967867004(47)
Isotopic Composition = 0.0425(24)
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 35
Relative Atomic Mass = 34.969032310(43)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 36
Relative Atomic Mass = 35.96708071(20)
Isotopic Composition = 0.0001(1)
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 37
Relative Atomic Mass = 36.97112551(21)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 38
Relative Atomic Mass = 37.9711633(77)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 39
Relative Atomic Mass = 38.975134(54)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 40
Relative Atomic Mass = 39.9754826(43)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 41
Relative Atomic Mass = 40.9795935(44)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 42
Relative Atomic Mass = 41.9810651(30)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 43
Relative Atomic Mass = 42.9869076(53)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 44
Relative Atomic Mass = 43.9901188(56)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 45
Relative Atomic Mass = 44.99572(74)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 46
Relative Atomic Mass = 46.00004(54#)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 47
Relative Atomic Mass = 47.00795(54#)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 48
Relative Atomic Mass = 48.01370(64#)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 49
Relative Atomic Mass = 49.02276(72#)
Isotopic Composition = 
Standard Atomic Weight = [32.059,32.076]
Notes =  

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 28
Relative Atomic Mass = 28.02954(64#)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 29
Relative Atomic Mass = 29.01478(43#)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 30
Relative Atomic Mass = 30.00477(21#)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 31
Relative Atomic Mass = 30.992414(54)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 32
Relative Atomic Mass = 31.98568464(60)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 33
Relative Atomic Mass = 32.97745199(42)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 34
Relative Atomic Mass = 33.973762485(52)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 35
Relative Atomic Mass = 34.968852682(37)
Isotopic Composition = 0.7576(10)
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 36
Relative Atomic Mass = 35.968306809(38)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 37
Relative Atomic Mass = 36.965902602(55)
Isotopic Composition = 0.2424(10)
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 38
Relative Atomic Mass = 37.96801044(11)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 39
Relative Atomic Mass = 38.9680082(19)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 40
Relative Atomic Mass = 39.970415(34)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 41
Relative Atomic Mass = 40.970685(74)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 42
Relative Atomic Mass = 41.97325(15)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 43
Relative Atomic Mass = 42.97389(10)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 44
Relative Atomic Mass = 43.97787(20)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 45
Relative Atomic Mass = 44.98029(11)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 46
Relative Atomic Mass = 45.98517(17)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 47
Relative Atomic Mass = 46.98916(43#)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 48
Relative Atomic Mass = 47.99564(54#)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 49
Relative Atomic Mass = 49.00123(64#)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 50
Relative Atomic Mass = 50.00905(64#)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 51
Relative Atomic Mass = 51.01554(75#)
Isotopic Composition = 
Standard Atomic Weight = [35.446,35.457]
Notes = m

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 30
Relative Atomic Mass = 30.02307(54#)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 31
Relative Atomic Mass = 31.01212(22#)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 32
Relative Atomic Mass = 31.9976378(19)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 33
Relative Atomic Mass = 32.98992555(43)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 34
Relative Atomic Mass = 33.980270090(83)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 35
Relative Atomic Mass = 34.97525759(80)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 36
Relative Atomic Mass = 35.967545105(28)
Isotopic Composition = 0.003336(21)
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 37
Relative Atomic Mass = 36.96677633(22)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 38
Relative Atomic Mass = 37.96273211(21)
Isotopic Composition = 0.000629(7)
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 39
Relative Atomic Mass = 38.9643130(54)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 40
Relative Atomic Mass = 39.9623831237(24)
Isotopic Composition = 0.996035(25)
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 41
Relative Atomic Mass = 40.96450057(37)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 42
Relative Atomic Mass = 41.9630457(62)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 43
Relative Atomic Mass = 42.9656361(57)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 44
Relative Atomic Mass = 43.9649238(17)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 45
Relative Atomic Mass = 44.96803973(55)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 46
Relative Atomic Mass = 45.968083(44)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 47
Relative Atomic Mass = 46.972935(96)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 48
Relative Atomic Mass = 47.97591(32#)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 49
Relative Atomic Mass = 48.98190(43#)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 50
Relative Atomic Mass = 49.98613(54#)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 51
Relative Atomic Mass = 50.99370(64#)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 52
Relative Atomic Mass = 51.99896(64#)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 53
Relative Atomic Mass = 53.00729(75#)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r

Atomic Number = 19
Atomic Symbol = K
Mass Number = 32
Relative Atomic Mass = 32.02265(54#)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 33
Relative Atomic Mass = 33.00756(21#)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 34
Relative Atomic Mass = 33.99869(32#)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 35
Relative Atomic Mass = 34.98800541(55)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 36
Relative Atomic Mass = 35.98130201(37)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 37
Relative Atomic Mass = 36.97337589(10)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 38
Relative Atomic Mass = 37.96908112(21)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 39
Relative Atomic Mass = 38.9637064864(49)
Isotopic Composition = 0.932581(44)
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 40
Relative Atomic Mass = 39.963998166(60)
Isotopic Composition = 0.000117(1)
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 41
Relative Atomic Mass = 40.9618252579(41)
Isotopic Composition = 0.067302(44)
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 42
Relative Atomic Mass = 41.96240231(11)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 43
Relative Atomic Mass = 42.96073470(44)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 44
Relative Atomic Mass = 43.96158699(45)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 45
Relative Atomic Mass = 44.96069149(56)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 46
Relative Atomic Mass = 45.96198159(78)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 47
Relative Atomic Mass = 46.9616616(15)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 48
Relative Atomic Mass = 47.96534119(83)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 49
Relative Atomic Mass = 48.96821075(86)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 50
Relative Atomic Mass = 49.9723800(83)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 51
Relative Atomic Mass = 50.975828(14)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 52
Relative Atomic Mass = 51.98224(43#)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 53
Relative Atomic Mass = 52.98746(54#)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 54
Relative Atomic Mass = 53.99463(64#)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 55
Relative Atomic Mass = 55.00076(75#)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 19
Atomic Symbol = K
Mass Number = 56
Relative Atomic Mass = 56.00851(86#)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes =  

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 34
Relative Atomic Mass = 34.01487(32#)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 35
Relative Atomic Mass = 35.00514(21#)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 36
Relative Atomic Mass = 35.993074(43)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 37
Relative Atomic Mass = 36.98589785(68)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 38
Relative Atomic Mass = 37.97631922(21)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 39
Relative Atomic Mass = 38.97071081(64)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 40
Relative Atomic Mass = 39.962590863(22)
Isotopic Composition = 0.96941(156)
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 41
Relative Atomic Mass = 40.96227792(15)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 42
Relative Atomic Mass = 41.95861783(16)
Isotopic Composition = 0.00647(23)
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 43
Relative Atomic Mass = 42.95876644(24)
Isotopic Composition = 0.00135(10)
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 44
Relative Atomic Mass = 43.95548156(35)
Isotopic Composition = 0.02086(110)
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 45
Relative Atomic Mass = 44.95618635(39)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 46
Relative Atomic Mass = 45.9536890(24)
Isotopic Composition = 0.00004(3)
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 47
Relative Atomic Mass = 46.9545424(24)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 48
Relative Atomic Mass = 47.95252276(13)
Isotopic Composition = 0.00187(21)
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 49
Relative Atomic Mass = 48.95566274(23)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 50
Relative Atomic Mass = 49.9574992(17)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 51
Relative Atomic Mass = 50.960989(24)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 52
Relative Atomic Mass = 51.963217(64)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 53
Relative Atomic Mass = 52.96945(43#)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 54
Relative Atomic Mass = 53.97340(54#)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 55
Relative Atomic Mass = 54.98030(54#)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 56
Relative Atomic Mass = 55.98508(64#)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 57
Relative Atomic Mass = 56.99262(64#)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 58
Relative Atomic Mass = 57.99794(75#)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 36
Relative Atomic Mass = 36.01648(32#)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 37
Relative Atomic Mass = 37.00374(32#)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 38
Relative Atomic Mass = 37.99512(21#)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 39
Relative Atomic Mass = 38.984785(26)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 40
Relative Atomic Mass = 39.9779673(30)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 41
Relative Atomic Mass = 40.969251105(88)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 42
Relative Atomic Mass = 41.96551653(18)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 43
Relative Atomic Mass = 42.9611505(20)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 44
Relative Atomic Mass = 43.9594029(19)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 45
Relative Atomic Mass = 44.95590828(77)
Isotopic Composition = 1
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 46
Relative Atomic Mass = 45.95516826(78)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 47
Relative Atomic Mass = 46.9524037(21)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 48
Relative Atomic Mass = 47.9522236(53)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 49
Relative Atomic Mass = 48.9500146(29)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 50
Relative Atomic Mass = 49.952176(16)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 51
Relative Atomic Mass = 50.953592(21)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 52
Relative Atomic Mass = 51.95688(15)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 53
Relative Atomic Mass = 52.95909(29)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 54
Relative Atomic Mass = 53.96393(39)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 55
Relative Atomic Mass = 54.96782(50)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 56
Relative Atomic Mass = 55.97345(43#)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 57
Relative Atomic Mass = 56.97777(54#)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 58
Relative Atomic Mass = 57.98403(64#)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 59
Relative Atomic Mass = 58.98894(64#)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 60
Relative Atomic Mass = 59.99565(75#)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 61
Relative Atomic Mass = 61.00100(86#)
Isotopic Composition = 
Standard Atomic Weight = 44.955908(5)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 38
Relative Atomic Mass = 38.01145(32#)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 39
Relative Atomic Mass = 39.00236(22#)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 40
Relative Atomic Mass = 39.99050(17)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 41
Relative Atomic Mass = 40.983148(30)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 42
Relative Atomic Mass = 41.97304903(30)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 43
Relative Atomic Mass = 42.9685225(78)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 44
Relative Atomic Mass = 43.95968995(75)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 45
Relative Atomic Mass = 44.95812198(95)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 46
Relative Atomic Mass = 45.95262772(35)
Isotopic Composition = 0.0825(3)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 47
Relative Atomic Mass = 46.95175879(38)
Isotopic Composition = 0.0744(2)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 48
Relative Atomic Mass = 47.94794198(38)
Isotopic Composition = 0.7372(3)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 49
Relative Atomic Mass = 48.94786568(39)
Isotopic Composition = 0.0541(2)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 50
Relative Atomic Mass = 49.94478689(39)
Isotopic Composition = 0.0518(2)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 51
Relative Atomic Mass = 50.94661065(65)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 52
Relative Atomic Mass = 51.9468930(76)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 53
Relative Atomic Mass = 52.94973(11)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 54
Relative Atomic Mass = 53.95105(13)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 55
Relative Atomic Mass = 54.95527(17)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 56
Relative Atomic Mass = 55.95791(15)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 57
Relative Atomic Mass = 56.96364(27)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 58
Relative Atomic Mass = 57.96660(43#)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 59
Relative Atomic Mass = 58.97247(43#)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 60
Relative Atomic Mass = 59.97603(54#)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 61
Relative Atomic Mass = 60.98245(64#)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 62
Relative Atomic Mass = 61.98651(75#)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 63
Relative Atomic Mass = 62.99375(75#)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 40
Relative Atomic Mass = 40.01276(43#)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 41
Relative Atomic Mass = 41.00021(32#)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 42
Relative Atomic Mass = 41.99182(32#)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 43
Relative Atomic Mass = 42.980766(46)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 44
Relative Atomic Mass = 43.97411(20)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 45
Relative Atomic Mass = 44.9657748(86)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 46
Relative Atomic Mass = 45.96019878(36)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 47
Relative Atomic Mass = 46.95490491(36)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 48
Relative Atomic Mass = 47.9522522(11)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 49
Relative Atomic Mass = 48.94851180(96)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 50
Relative Atomic Mass = 49.94715601(95)
Isotopic Composition = 0.00250(4)
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 51
Relative Atomic Mass = 50.94395704(94)
Isotopic Composition = 0.99750(4)
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 52
Relative Atomic Mass = 51.94477301(95)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 53
Relative Atomic Mass = 52.9443367(34)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 54
Relative Atomic Mass = 53.946439(16)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 55
Relative Atomic Mass = 54.94724(10)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 56
Relative Atomic Mass = 55.95048(19)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 57
Relative Atomic Mass = 56.95252(24)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 58
Relative Atomic Mass = 57.95672(14)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 59
Relative Atomic Mass = 58.95939(17)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 60
Relative Atomic Mass = 59.96431(24)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 61
Relative Atomic Mass = 60.96725(96)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 62
Relative Atomic Mass = 61.97265(32#)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 63
Relative Atomic Mass = 62.97639(43#)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 64
Relative Atomic Mass = 63.98264(43#)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 65
Relative Atomic Mass = 64.98750(54#)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 66
Relative Atomic Mass = 65.99398(64#)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 42
Relative Atomic Mass = 42.00670(43#)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 43
Relative Atomic Mass = 42.99753(43#)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 44
Relative Atomic Mass = 43.98536(32#)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 45
Relative Atomic Mass = 44.979050(38)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 46
Relative Atomic Mass = 45.968359(21)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 47
Relative Atomic Mass = 46.9628974(75)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 48
Relative Atomic Mass = 47.9540291(79)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 49
Relative Atomic Mass = 48.9513333(25)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 50
Relative Atomic Mass = 49.94604183(94)
Isotopic Composition = 0.04345(13)
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 51
Relative Atomic Mass = 50.94476502(94)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 52
Relative Atomic Mass = 51.94050623(63)
Isotopic Composition = 0.83789(18)
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 53
Relative Atomic Mass = 52.94064815(62)
Isotopic Composition = 0.09501(17)
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 54
Relative Atomic Mass = 53.93887916(61)
Isotopic Composition = 0.02365(7)
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 55
Relative Atomic Mass = 54.94083843(64)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 56
Relative Atomic Mass = 55.9406531(20)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 57
Relative Atomic Mass = 56.9436130(20)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 58
Relative Atomic Mass = 57.94435(22)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 59
Relative Atomic Mass = 58.94859(26)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 60
Relative Atomic Mass = 59.95008(23)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 61
Relative Atomic Mass = 60.95442(14)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 62
Relative Atomic Mass = 61.95610(16)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 63
Relative Atomic Mass = 62.96165(49)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 64
Relative Atomic Mass = 63.96408(32#)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 65
Relative Atomic Mass = 64.96996(32#)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 66
Relative Atomic Mass = 65.97366(54#)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 67
Relative Atomic Mass = 66.98016(54#)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 68
Relative Atomic Mass = 67.98403(75#)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 44
Relative Atomic Mass = 44.00715(54#)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 45
Relative Atomic Mass = 44.99449(43#)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 46
Relative Atomic Mass = 45.98609(43#)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 47
Relative Atomic Mass = 46.975775(34)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 48
Relative Atomic Mass = 47.96852(18)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 49
Relative Atomic Mass = 48.959595(11)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 50
Relative Atomic Mass = 49.95423778(95)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 51
Relative Atomic Mass = 50.94820847(94)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 52
Relative Atomic Mass = 51.9455639(20)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 53
Relative Atomic Mass = 52.94128889(68)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 54
Relative Atomic Mass = 53.9403576(12)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 55
Relative Atomic Mass = 54.93804391(48)
Isotopic Composition = 1
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 56
Relative Atomic Mass = 55.93890369(49)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 57
Relative Atomic Mass = 56.9382861(16)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 58
Relative Atomic Mass = 57.9400666(29)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 59
Relative Atomic Mass = 58.9403911(25)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 60
Relative Atomic Mass = 59.9431366(25)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 61
Relative Atomic Mass = 60.9444525(25)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 62
Relative Atomic Mass = 61.94795(16#)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 63
Relative Atomic Mass = 62.9496647(40)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 64
Relative Atomic Mass = 63.9538494(38)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 65
Relative Atomic Mass = 64.9560198(40)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 66
Relative Atomic Mass = 65.960547(12)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 67
Relative Atomic Mass = 66.96424(43#)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 68
Relative Atomic Mass = 67.96962(54#)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 69
Relative Atomic Mass = 68.97366(64#)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 70
Relative Atomic Mass = 69.97937(75#)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 71
Relative Atomic Mass = 70.98368(75#)
Isotopic Composition = 
Standard Atomic Weight = 54.938044(3)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 45
Relative Atomic Mass = 45.01442(43#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 46
Relative Atomic Mass = 46.00063(54#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 47
Relative Atomic Mass = 46.99185(54#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 48
Relative Atomic Mass = 47.98023(43#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 49
Relative Atomic Mass = 48.973429(26)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 50
Relative Atomic Mass = 49.962975(64)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 51
Relative Atomic Mass = 50.9568410(96)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 52
Relative Atomic Mass = 51.9481131(70)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 53
Relative Atomic Mass = 52.9453064(18)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 54
Relative Atomic Mass = 53.93960899(53)
Isotopic Composition = 0.05845(35)
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 55
Relative Atomic Mass = 54.93829199(51)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 56
Relative Atomic Mass = 55.93493633(49)
Isotopic Composition = 0.91754(36)
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 57
Relative Atomic Mass = 56.93539284(49)
Isotopic Composition = 0.02119(10)
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 58
Relative Atomic Mass = 57.93327443(53)
Isotopic Composition = 0.00282(4)
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 59
Relative Atomic Mass = 58.93487434(54)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 60
Relative Atomic Mass = 59.9340711(37)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 61
Relative Atomic Mass = 60.9367462(28)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 62
Relative Atomic Mass = 61.9367918(30)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 63
Relative Atomic Mass = 62.9402727(46)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 64
Relative Atomic Mass = 63.9409878(54)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 65
Relative Atomic Mass = 64.9450115(73)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 66
Relative Atomic Mass = 65.9462500(44)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 67
Relative Atomic Mass = 66.95054(23)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 68
Relative Atomic Mass = 67.95295(39)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 69
Relative Atomic Mass = 68.95807(43#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 70
Relative Atomic Mass = 69.96102(54#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 71
Relative Atomic Mass = 70.96672(64#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 72
Relative Atomic Mass = 71.96983(75#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 73
Relative Atomic Mass = 72.97572(75#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 74
Relative Atomic Mass = 73.97935(86#)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 47
Relative Atomic Mass = 47.01057(86#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 48
Relative Atomic Mass = 48.00093(86#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 49
Relative Atomic Mass = 48.98891(75#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 50
Relative Atomic Mass = 49.98091(64#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 51
Relative Atomic Mass = 50.970647(52)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 52
Relative Atomic Mass = 51.96351(21#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 53
Relative Atomic Mass = 52.9542041(19)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 54
Relative Atomic Mass = 53.94845987(54)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 55
Relative Atomic Mass = 54.94199720(57)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 56
Relative Atomic Mass = 55.93983880(63)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 57
Relative Atomic Mass = 56.93629057(66)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 58
Relative Atomic Mass = 57.9357521(13)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 59
Relative Atomic Mass = 58.93319429(56)
Isotopic Composition = 1
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 60
Relative Atomic Mass = 59.93381630(56)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 61
Relative Atomic Mass = 60.93247662(95)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 62
Relative Atomic Mass = 61.934059(20)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 63
Relative Atomic Mass = 62.933600(20)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 64
Relative Atomic Mass = 63.935811(21)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 65
Relative Atomic Mass = 64.9364621(22)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 66
Relative Atomic Mass = 65.939443(15)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 67
Relative Atomic Mass = 66.9406096(69)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 68
Relative Atomic Mass = 67.94426(16)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 69
Relative Atomic Mass = 68.94614(20)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 70
Relative Atomic Mass = 69.94963(32)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 71
Relative Atomic Mass = 70.95237(50)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 72
Relative Atomic Mass = 71.95729(43#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 73
Relative Atomic Mass = 72.96039(54#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 74
Relative Atomic Mass = 73.96515(64#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 75
Relative Atomic Mass = 74.96876(75#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 76
Relative Atomic Mass = 75.97413(86#)
Isotopic Composition = 
Standard Atomic Weight = 58.933194(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 48
Relative Atomic Mass = 48.01769(54#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 49
Relative Atomic Mass = 49.00770(86#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 50
Relative Atomic Mass = 49.99474(86#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 51
Relative Atomic Mass = 50.98611(86#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 52
Relative Atomic Mass = 51.97480(75#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 53
Relative Atomic Mass = 52.968190(27)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 54
Relative Atomic Mass = 53.957892(54)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 55
Relative Atomic Mass = 54.95133063(85)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 56
Relative Atomic Mass = 55.94212855(57)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 57
Relative Atomic Mass = 56.93979218(71)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 58
Relative Atomic Mass = 57.93534241(52)
Isotopic Composition = 0.68077(19)
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 59
Relative Atomic Mass = 58.93434620(52)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 60
Relative Atomic Mass = 59.93078588(52)
Isotopic Composition = 0.26223(15)
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 61
Relative Atomic Mass = 60.93105557(52)
Isotopic Composition = 0.011399(13)
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 62
Relative Atomic Mass = 61.92834537(55)
Isotopic Composition = 0.036346(40)
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 63
Relative Atomic Mass = 62.92966963(56)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 64
Relative Atomic Mass = 63.92796682(58)
Isotopic Composition = 0.009255(19)
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 65
Relative Atomic Mass = 64.93008517(60)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 66
Relative Atomic Mass = 65.9291393(15)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 67
Relative Atomic Mass = 66.9315694(31)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 68
Relative Atomic Mass = 67.9318688(32)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 69
Relative Atomic Mass = 68.9356103(40)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 70
Relative Atomic Mass = 69.9364313(23)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 71
Relative Atomic Mass = 70.9405190(24)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 72
Relative Atomic Mass = 71.9417859(24)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 73
Relative Atomic Mass = 72.9462067(26)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 74
Relative Atomic Mass = 73.94798(43#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 75
Relative Atomic Mass = 74.95250(32#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 76
Relative Atomic Mass = 75.95533(54#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 77
Relative Atomic Mass = 76.96055(54#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 78
Relative Atomic Mass = 77.96336(86#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 79
Relative Atomic Mass = 78.97025(86#)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 52
Relative Atomic Mass = 51.99671(86#)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 53
Relative Atomic Mass = 52.98459(86#)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 54
Relative Atomic Mass = 53.97666(54#)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 55
Relative Atomic Mass = 54.96604(17)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 56
Relative Atomic Mass = 55.95895(21#)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 57
Relative Atomic Mass = 56.94921250(66)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 58
Relative Atomic Mass = 57.94453305(70)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 59
Relative Atomic Mass = 58.93949748(67)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 60
Relative Atomic Mass = 59.9373645(18)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 61
Relative Atomic Mass = 60.9334576(10)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 62
Relative Atomic Mass = 61.93259541(75)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 63
Relative Atomic Mass = 62.92959772(56)
Isotopic Composition = 0.6915(15)
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 64
Relative Atomic Mass = 63.92976434(56)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 65
Relative Atomic Mass = 64.92778970(71)
Isotopic Composition = 0.3085(15)
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 66
Relative Atomic Mass = 65.92886903(72)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 67
Relative Atomic Mass = 66.9277303(13)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 68
Relative Atomic Mass = 67.9296109(17)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 69
Relative Atomic Mass = 68.9294293(15)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 70
Relative Atomic Mass = 69.9323921(12)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 71
Relative Atomic Mass = 70.9326768(16)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 72
Relative Atomic Mass = 71.9358203(15)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 73
Relative Atomic Mass = 72.9366744(21)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 74
Relative Atomic Mass = 73.9398749(66)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 75
Relative Atomic Mass = 74.9415226(25)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 76
Relative Atomic Mass = 75.9452750(72)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 77
Relative Atomic Mass = 76.94792(16#)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 78
Relative Atomic Mass = 77.95223(54)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 79
Relative Atomic Mass = 78.95502(43#)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 80
Relative Atomic Mass = 79.96089(64#)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 81
Relative Atomic Mass = 80.96587(86#)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 82
Relative Atomic Mass = 81.97244(86#)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 54
Relative Atomic Mass = 53.99204(75#)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 55
Relative Atomic Mass = 54.98398(75#)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 56
Relative Atomic Mass = 55.97254(54#)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 57
Relative Atomic Mass = 56.96506(22#)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 58
Relative Atomic Mass = 57.954591(54)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 59
Relative Atomic Mass = 58.94931266(89)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 60
Relative Atomic Mass = 59.94184210(69)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 61
Relative Atomic Mass = 60.939507(17)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 62
Relative Atomic Mass = 61.93433397(73)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 63
Relative Atomic Mass = 62.9332115(17)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 64
Relative Atomic Mass = 63.92914201(71)
Isotopic Composition = 0.4917(75)
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 65
Relative Atomic Mass = 64.92924077(71)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 66
Relative Atomic Mass = 65.92603381(94)
Isotopic Composition = 0.2773(98)
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 67
Relative Atomic Mass = 66.92712775(96)
Isotopic Composition = 0.0404(16)
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 68
Relative Atomic Mass = 67.92484455(98)
Isotopic Composition = 0.1845(63)
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 69
Relative Atomic Mass = 68.9265507(10)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 70
Relative Atomic Mass = 69.9253192(21)
Isotopic Composition = 0.0061(10)
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 71
Relative Atomic Mass = 70.9277196(28)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 72
Relative Atomic Mass = 71.9268428(23)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 73
Relative Atomic Mass = 72.9295826(20)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 74
Relative Atomic Mass = 73.9294073(27)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 75
Relative Atomic Mass = 74.9328402(21)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 76
Relative Atomic Mass = 75.9331150(16)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 77
Relative Atomic Mass = 76.9368872(21)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 78
Relative Atomic Mass = 77.9382892(21)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 79
Relative Atomic Mass = 78.9426381(24)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 80
Relative Atomic Mass = 79.9445529(28)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 81
Relative Atomic Mass = 80.9504026(54)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 82
Relative Atomic Mass = 81.95426(32#)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 83
Relative Atomic Mass = 82.96056(54#)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 84
Relative Atomic Mass = 83.96521(64#)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 85
Relative Atomic Mass = 84.97226(75#)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes = r

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 56
Relative Atomic Mass = 55.99536(64#)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 57
Relative Atomic Mass = 56.98320(32#)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 58
Relative Atomic Mass = 57.97478(21#)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 59
Relative Atomic Mass = 58.96353(18#)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 60
Relative Atomic Mass = 59.95729(21#)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 61
Relative Atomic Mass = 60.949399(41)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 62
Relative Atomic Mass = 61.94419025(75)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 63
Relative Atomic Mass = 62.9392942(14)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 64
Relative Atomic Mass = 63.9368404(15)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 65
Relative Atomic Mass = 64.93273459(88)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 66
Relative Atomic Mass = 65.9315894(34)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 67
Relative Atomic Mass = 66.9282025(13)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 68
Relative Atomic Mass = 67.9279805(16)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 69
Relative Atomic Mass = 68.9255735(13)
Isotopic Composition = 0.60108(9)
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 70
Relative Atomic Mass = 69.9260219(13)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 71
Relative Atomic Mass = 70.92470258(87)
Isotopic Composition = 0.39892(9)
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 72
Relative Atomic Mass = 71.92636747(88)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 73
Relative Atomic Mass = 72.9251747(18)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 74
Relative Atomic Mass = 73.9269457(32)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 75
Relative Atomic Mass = 74.9265002(26)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 76
Relative Atomic Mass = 75.9288276(21)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 77
Relative Atomic Mass = 76.9291543(26)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 78
Relative Atomic Mass = 77.9316088(20)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 79
Relative Atomic Mass = 78.9328523(20)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 80
Relative Atomic Mass = 79.9364208(31)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 81
Relative Atomic Mass = 80.9381338(35)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 82
Relative Atomic Mass = 81.9431765(26)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 83
Relative Atomic Mass = 82.9471203(28)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 84
Relative Atomic Mass = 83.95246(43#)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 85
Relative Atomic Mass = 84.95699(32#)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 86
Relative Atomic Mass = 85.96301(75#)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 87
Relative Atomic Mass = 86.96824(86#)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 58
Relative Atomic Mass = 57.99172(43#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 59
Relative Atomic Mass = 58.98249(32#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 60
Relative Atomic Mass = 59.97036(21#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 61
Relative Atomic Mass = 60.96379(32#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 62
Relative Atomic Mass = 61.95502(15#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 63
Relative Atomic Mass = 62.949628(40)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 64
Relative Atomic Mass = 63.9416899(40)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 65
Relative Atomic Mass = 64.9393681(23)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 66
Relative Atomic Mass = 65.9338621(26)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 67
Relative Atomic Mass = 66.9327339(50)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 68
Relative Atomic Mass = 67.9280953(20)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 69
Relative Atomic Mass = 68.9279645(14)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 70
Relative Atomic Mass = 69.92424875(90)
Isotopic Composition = 0.2057(27)
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 71
Relative Atomic Mass = 70.92495233(90)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 72
Relative Atomic Mass = 71.922075826(81)
Isotopic Composition = 0.2745(32)
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 73
Relative Atomic Mass = 72.923458956(61)
Isotopic Composition = 0.0775(12)
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 74
Relative Atomic Mass = 73.921177761(13)
Isotopic Composition = 0.3650(20)
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 75
Relative Atomic Mass = 74.922858370(55)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 76
Relative Atomic Mass = 75.921402726(19)
Isotopic Composition = 0.0773(12)
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 77
Relative Atomic Mass = 76.923549843(57)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 78
Relative Atomic Mass = 77.9228529(38)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 79
Relative Atomic Mass = 78.925360(40)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 80
Relative Atomic Mass = 79.9253508(22)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 81
Relative Atomic Mass = 80.9288329(22)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 82
Relative Atomic Mass = 81.9297740(24)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 83
Relative Atomic Mass = 82.9345391(26)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 84
Relative Atomic Mass = 83.9375751(34)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 85
Relative Atomic Mass = 84.9429697(40)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 86
Relative Atomic Mass = 85.94658(32#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 87
Relative Atomic Mass = 86.95268(43#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 88
Relative Atomic Mass = 87.95691(54#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 89
Relative Atomic Mass = 88.96379(64#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 90
Relative Atomic Mass = 89.96863(75#)
Isotopic Composition = 
Standard Atomic Weight = 72.630(8)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 60
Relative Atomic Mass = 59.99388(43#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 61
Relative Atomic Mass = 60.98112(32#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 62
Relative Atomic Mass = 61.97361(32#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 63
Relative Atomic Mass = 62.96390(21#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 64
Relative Atomic Mass = 63.95743(33#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 65
Relative Atomic Mass = 64.949611(91)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 66
Relative Atomic Mass = 65.9441488(61)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 67
Relative Atomic Mass = 66.93925111(48)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 68
Relative Atomic Mass = 67.9367741(20)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 69
Relative Atomic Mass = 68.932246(34)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 70
Relative Atomic Mass = 69.930926(54)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 71
Relative Atomic Mass = 70.9271138(45)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 72
Relative Atomic Mass = 71.9267523(44)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 73
Relative Atomic Mass = 72.9238291(41)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 74
Relative Atomic Mass = 73.9239286(18)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 75
Relative Atomic Mass = 74.92159457(95)
Isotopic Composition = 1
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 76
Relative Atomic Mass = 75.92239202(95)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 77
Relative Atomic Mass = 76.9206476(18)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 78
Relative Atomic Mass = 77.921828(11)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 79
Relative Atomic Mass = 78.9209484(58)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 80
Relative Atomic Mass = 79.9224746(36)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 81
Relative Atomic Mass = 80.9221323(29)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 82
Relative Atomic Mass = 81.9247412(46)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 83
Relative Atomic Mass = 82.9252069(30)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 84
Relative Atomic Mass = 83.9293033(34)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 85
Relative Atomic Mass = 84.9321637(33)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 86
Relative Atomic Mass = 85.9367015(37)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 87
Relative Atomic Mass = 86.9402917(32)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 88
Relative Atomic Mass = 87.94555(21#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 89
Relative Atomic Mass = 88.94976(32#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 90
Relative Atomic Mass = 89.95563(64#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 91
Relative Atomic Mass = 90.96039(64#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 92
Relative Atomic Mass = 91.96674(75#)
Isotopic Composition = 
Standard Atomic Weight = 74.921595(6)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 64
Relative Atomic Mass = 63.97109(54#)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 65
Relative Atomic Mass = 64.96440(64#)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 66
Relative Atomic Mass = 65.95559(32#)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 67
Relative Atomic Mass = 66.949994(72)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 68
Relative Atomic Mass = 67.94182524(53)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 69
Relative Atomic Mass = 68.9394148(16)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 70
Relative Atomic Mass = 69.9335155(17)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 71
Relative Atomic Mass = 70.9322094(30)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 72
Relative Atomic Mass = 71.9271405(21)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 73
Relative Atomic Mass = 72.9267549(80)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 74
Relative Atomic Mass = 73.922475934(15)
Isotopic Composition = 0.0089(4)
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 75
Relative Atomic Mass = 74.922522870(78)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 76
Relative Atomic Mass = 75.919213704(17)
Isotopic Composition = 0.0937(29)
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 77
Relative Atomic Mass = 76.919914154(67)
Isotopic Composition = 0.0763(16)
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 78
Relative Atomic Mass = 77.91730928(20)
Isotopic Composition = 0.2377(28)
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 79
Relative Atomic Mass = 78.91849929(24)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 80
Relative Atomic Mass = 79.9165218(13)
Isotopic Composition = 0.4961(41)
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 81
Relative Atomic Mass = 80.9179930(14)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 82
Relative Atomic Mass = 81.9166995(15)
Isotopic Composition = 0.0873(22)
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 83
Relative Atomic Mass = 82.9191186(36)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 84
Relative Atomic Mass = 83.9184668(21)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 85
Relative Atomic Mass = 84.9222608(28)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 86
Relative Atomic Mass = 85.9243117(27)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 87
Relative Atomic Mass = 86.9286886(24)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 88
Relative Atomic Mass = 87.9314175(36)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 89
Relative Atomic Mass = 88.9366691(40)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 90
Relative Atomic Mass = 89.94010(35)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 91
Relative Atomic Mass = 90.94596(54#)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 92
Relative Atomic Mass = 91.94984(64#)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 93
Relative Atomic Mass = 92.95629(86#)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 94
Relative Atomic Mass = 93.96049(86#)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 95
Relative Atomic Mass = 94.96730(86#)
Isotopic Composition = 
Standard Atomic Weight = 78.971(8)
Notes = r

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 67
Relative Atomic Mass = 66.96465(54#)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 68
Relative Atomic Mass = 67.95873(33#)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 69
Relative Atomic Mass = 68.950497(40)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 70
Relative Atomic Mass = 69.944792(16)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 71
Relative Atomic Mass = 70.9393422(58)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 72
Relative Atomic Mass = 71.9365886(72)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 73
Relative Atomic Mass = 72.9316715(78)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 74
Relative Atomic Mass = 73.9299102(63)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 75
Relative Atomic Mass = 74.9258105(46)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 76
Relative Atomic Mass = 75.924542(10)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 77
Relative Atomic Mass = 76.9213792(30)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 78
Relative Atomic Mass = 77.9211459(38)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 79
Relative Atomic Mass = 78.9183376(14)
Isotopic Composition = 0.5069(7)
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 80
Relative Atomic Mass = 79.9185298(14)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 81
Relative Atomic Mass = 80.9162897(14)
Isotopic Composition = 0.4931(7)
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 82
Relative Atomic Mass = 81.9168032(14)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 83
Relative Atomic Mass = 82.9151756(41)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 84
Relative Atomic Mass = 83.916496(28)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 85
Relative Atomic Mass = 84.9156458(33)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 86
Relative Atomic Mass = 85.9188054(33)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 87
Relative Atomic Mass = 86.9206740(34)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 88
Relative Atomic Mass = 87.9240833(34)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 89
Relative Atomic Mass = 88.9267046(35)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 90
Relative Atomic Mass = 89.9312928(36)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 91
Relative Atomic Mass = 90.9343986(38)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 92
Relative Atomic Mass = 91.9396316(72)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 93
Relative Atomic Mass = 92.94313(48)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 94
Relative Atomic Mass = 93.94890(43#)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 95
Relative Atomic Mass = 94.95301(21#)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 96
Relative Atomic Mass = 95.95903(32#)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 97
Relative Atomic Mass = 96.96344(43#)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 98
Relative Atomic Mass = 97.96946(43#)
Isotopic Composition = 
Standard Atomic Weight = [79.901,79.907]
Notes =  

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 69
Relative Atomic Mass = 68.96518(43#)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 70
Relative Atomic Mass = 69.95604(21#)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 71
Relative Atomic Mass = 70.95027(14)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 72
Relative Atomic Mass = 71.9420924(86)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 73
Relative Atomic Mass = 72.9392892(71)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 74
Relative Atomic Mass = 73.9330840(22)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 75
Relative Atomic Mass = 74.9309457(87)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 76
Relative Atomic Mass = 75.9259103(43)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 77
Relative Atomic Mass = 76.9246700(21)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 78
Relative Atomic Mass = 77.92036494(76)
Isotopic Composition = 0.00355(3)
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 79
Relative Atomic Mass = 78.9200829(38)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 80
Relative Atomic Mass = 79.91637808(75)
Isotopic Composition = 0.02286(10)
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 81
Relative Atomic Mass = 80.9165912(15)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 82
Relative Atomic Mass = 81.91348273(94)
Isotopic Composition = 0.11593(31)
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 83
Relative Atomic Mass = 82.91412716(32)
Isotopic Composition = 0.11500(19)
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 84
Relative Atomic Mass = 83.9114977282(44)
Isotopic Composition = 0.56987(15)
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 85
Relative Atomic Mass = 84.9125273(21)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 86
Relative Atomic Mass = 85.9106106269(41)
Isotopic Composition = 0.17279(41)
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 87
Relative Atomic Mass = 86.91335476(26)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 88
Relative Atomic Mass = 87.9144479(28)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 89
Relative Atomic Mass = 88.9178355(23)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 90
Relative Atomic Mass = 89.9195279(20)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 91
Relative Atomic Mass = 90.9238063(24)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 92
Relative Atomic Mass = 91.9261731(29)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 93
Relative Atomic Mass = 92.9311472(27)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 94
Relative Atomic Mass = 93.934140(13)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 95
Relative Atomic Mass = 94.939711(20)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 96
Relative Atomic Mass = 95.943017(22)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 97
Relative Atomic Mass = 96.94909(14)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 98
Relative Atomic Mass = 97.95243(32#)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 99
Relative Atomic Mass = 98.95839(54#)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 100
Relative Atomic Mass = 99.96237(43#)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 101
Relative Atomic Mass = 100.96873(54#)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 71
Relative Atomic Mass = 70.96532(54#)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 72
Relative Atomic Mass = 71.95908(54#)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 73
Relative Atomic Mass = 72.95053(11#)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 74
Relative Atomic Mass = 73.9442659(32)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 75
Relative Atomic Mass = 74.9385732(13)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 76
Relative Atomic Mass = 75.9350730(10)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 77
Relative Atomic Mass = 76.9304016(14)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 78
Relative Atomic Mass = 77.9281419(35)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 79
Relative Atomic Mass = 78.9239899(23)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 80
Relative Atomic Mass = 79.9225164(20)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 81
Relative Atomic Mass = 80.9189939(53)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 82
Relative Atomic Mass = 81.9182090(32)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 83
Relative Atomic Mass = 82.9151142(25)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 84
Relative Atomic Mass = 83.9143752(24)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 85
Relative Atomic Mass = 84.9117897379(54)
Isotopic Composition = 0.7217(2)
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 86
Relative Atomic Mass = 85.91116743(21)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 87
Relative Atomic Mass = 86.9091805310(60)
Isotopic Composition = 0.2783(2)
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 88
Relative Atomic Mass = 87.91131559(17)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 89
Relative Atomic Mass = 88.9122783(59)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 90
Relative Atomic Mass = 89.9147985(70)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 91
Relative Atomic Mass = 90.9165372(84)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 92
Relative Atomic Mass = 91.9197284(66)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 93
Relative Atomic Mass = 92.9220393(84)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 94
Relative Atomic Mass = 93.9263948(22)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 95
Relative Atomic Mass = 94.929260(22)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 96
Relative Atomic Mass = 95.9341334(36)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 97
Relative Atomic Mass = 96.9371771(21)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 98
Relative Atomic Mass = 97.9416869(37)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 99
Relative Atomic Mass = 98.94503(12)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 100
Relative Atomic Mass = 99.95003(21#)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 101
Relative Atomic Mass = 100.95404(23#)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 102
Relative Atomic Mass = 101.95952(32#)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 103
Relative Atomic Mass = 102.96392(43#)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 73
Relative Atomic Mass = 72.96570(43#)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 74
Relative Atomic Mass = 73.95617(11#)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 75
Relative Atomic Mass = 74.94995(24)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 76
Relative Atomic Mass = 75.941763(37)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 77
Relative Atomic Mass = 76.9379455(85)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 78
Relative Atomic Mass = 77.9321800(80)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 79
Relative Atomic Mass = 78.9297077(90)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 80
Relative Atomic Mass = 79.9245175(37)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 81
Relative Atomic Mass = 80.9232114(34)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 82
Relative Atomic Mass = 81.9183999(64)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 83
Relative Atomic Mass = 82.9175544(73)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 84
Relative Atomic Mass = 83.9134191(13)
Isotopic Composition = 0.0056(1)
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 85
Relative Atomic Mass = 84.9129320(30)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 86
Relative Atomic Mass = 85.9092606(12)
Isotopic Composition = 0.0986(1)
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 87
Relative Atomic Mass = 86.9088775(12)
Isotopic Composition = 0.0700(1)
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 88
Relative Atomic Mass = 87.9056125(12)
Isotopic Composition = 0.8258(1)
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 89
Relative Atomic Mass = 88.9074511(12)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 90
Relative Atomic Mass = 89.9077300(28)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 91
Relative Atomic Mass = 90.9101954(61)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 92
Relative Atomic Mass = 91.9110382(37)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 93
Relative Atomic Mass = 92.9140242(81)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 94
Relative Atomic Mass = 93.9153556(18)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 95
Relative Atomic Mass = 94.9193529(63)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 96
Relative Atomic Mass = 95.9217066(93)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 97
Relative Atomic Mass = 96.9263740(36)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 98
Relative Atomic Mass = 97.9286888(40)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 99
Relative Atomic Mass = 98.9328907(38)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 100
Relative Atomic Mass = 99.935770(10)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 101
Relative Atomic Mass = 100.940352(86)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 102
Relative Atomic Mass = 101.943791(75)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 103
Relative Atomic Mass = 102.94909(21#)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 104
Relative Atomic Mass = 103.95265(32#)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 105
Relative Atomic Mass = 104.95855(54#)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 106
Relative Atomic Mass = 105.96265(64#)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 107
Relative Atomic Mass = 106.96897(75#)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 76
Relative Atomic Mass = 75.95856(54#)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 77
Relative Atomic Mass = 76.949781(65#)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 78
Relative Atomic Mass = 77.94361(43#)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 79
Relative Atomic Mass = 78.93735(48)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 80
Relative Atomic Mass = 79.9343561(67)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 81
Relative Atomic Mass = 80.9294556(58)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 82
Relative Atomic Mass = 81.9269314(59)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 83
Relative Atomic Mass = 82.922485(20)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 84
Relative Atomic Mass = 83.9206721(46)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 85
Relative Atomic Mass = 84.916433(20)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 86
Relative Atomic Mass = 85.914886(15)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 87
Relative Atomic Mass = 86.9108761(17)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 88
Relative Atomic Mass = 87.9095016(20)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 89
Relative Atomic Mass = 88.9058403(24)
Isotopic Composition = 1
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 90
Relative Atomic Mass = 89.9071439(24)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 91
Relative Atomic Mass = 90.9072974(28)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 92
Relative Atomic Mass = 91.9089451(99)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 93
Relative Atomic Mass = 92.909578(11)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 94
Relative Atomic Mass = 93.9115906(69)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 95
Relative Atomic Mass = 94.9128161(74)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 96
Relative Atomic Mass = 95.9158968(69)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 97
Relative Atomic Mass = 96.9182741(75)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 98
Relative Atomic Mass = 97.9223821(88)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 99
Relative Atomic Mass = 98.9241480(74)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 100
Relative Atomic Mass = 99.927715(12)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 101
Relative Atomic Mass = 100.9301477(79)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 102
Relative Atomic Mass = 101.9343277(44)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 103
Relative Atomic Mass = 102.937243(12)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 104
Relative Atomic Mass = 103.94196(43#)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 105
Relative Atomic Mass = 104.94544(54#)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 106
Relative Atomic Mass = 105.95056(54#)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 107
Relative Atomic Mass = 106.95452(54#)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 108
Relative Atomic Mass = 107.95996(64#)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 109
Relative Atomic Mass = 108.96436(75#)
Isotopic Composition = 
Standard Atomic Weight = 88.90584(2)
Notes =  

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 78
Relative Atomic Mass = 77.95566(54#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 79
Relative Atomic Mass = 78.94948(43#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 80
Relative Atomic Mass = 79.9404(16)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 81
Relative Atomic Mass = 80.93731(18)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 82
Relative Atomic Mass = 81.93135(22#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 83
Relative Atomic Mass = 82.9292421(69)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 84
Relative Atomic Mass = 83.9233269(59)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 85
Relative Atomic Mass = 84.9214444(69)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 86
Relative Atomic Mass = 85.9162972(38)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 87
Relative Atomic Mass = 86.9148180(45)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 88
Relative Atomic Mass = 87.9102213(58)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 89
Relative Atomic Mass = 88.9088814(37)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 90
Relative Atomic Mass = 89.9046977(20)
Isotopic Composition = 0.5145(40)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 91
Relative Atomic Mass = 90.9056396(20)
Isotopic Composition = 0.1122(5)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 92
Relative Atomic Mass = 91.9050347(20)
Isotopic Composition = 0.1715(8)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 93
Relative Atomic Mass = 92.9064699(20)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 94
Relative Atomic Mass = 93.9063108(20)
Isotopic Composition = 0.1738(28)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 95
Relative Atomic Mass = 94.9080385(19)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 96
Relative Atomic Mass = 95.9082714(21)
Isotopic Composition = 0.0280(9)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 97
Relative Atomic Mass = 96.9109512(21)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 98
Relative Atomic Mass = 97.9127289(93)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 99
Relative Atomic Mass = 98.916667(11)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 100
Relative Atomic Mass = 99.9180006(89)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 101
Relative Atomic Mass = 100.9214480(91)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 102
Relative Atomic Mass = 101.9231409(97)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 103
Relative Atomic Mass = 102.927191(10)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 104
Relative Atomic Mass = 103.929436(10)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 105
Relative Atomic Mass = 104.934008(13)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 106
Relative Atomic Mass = 105.93676(21#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 107
Relative Atomic Mass = 106.94174(32#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 108
Relative Atomic Mass = 107.94487(43#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 109
Relative Atomic Mass = 108.95041(54#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 110
Relative Atomic Mass = 109.95396(64#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 111
Relative Atomic Mass = 110.95968(75#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 112
Relative Atomic Mass = 111.96370(75#)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 81
Relative Atomic Mass = 80.94960(43#)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 82
Relative Atomic Mass = 81.94396(32#)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 83
Relative Atomic Mass = 82.93729(32)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 84
Relative Atomic Mass = 83.93449(32#)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 85
Relative Atomic Mass = 84.9288458(44)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 86
Relative Atomic Mass = 85.9257828(59)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 87
Relative Atomic Mass = 86.9206937(73)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 88
Relative Atomic Mass = 87.918222(61)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 89
Relative Atomic Mass = 88.913445(25)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 90
Relative Atomic Mass = 89.9112584(38)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 91
Relative Atomic Mass = 90.9069897(37)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 92
Relative Atomic Mass = 91.9071881(26)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 93
Relative Atomic Mass = 92.9063730(20)
Isotopic Composition = 1
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 94
Relative Atomic Mass = 93.9072788(20)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 95
Relative Atomic Mass = 94.90683240(71)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 96
Relative Atomic Mass = 95.9080973(35)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 97
Relative Atomic Mass = 96.9080959(19)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 98
Relative Atomic Mass = 97.9103265(58)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 99
Relative Atomic Mass = 98.911613(13)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 100
Relative Atomic Mass = 99.9143276(88)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 101
Relative Atomic Mass = 100.9153103(42)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 102
Relative Atomic Mass = 101.9180772(35)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 103
Relative Atomic Mass = 102.9194572(44)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 104
Relative Atomic Mass = 103.9228925(37)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 105
Relative Atomic Mass = 104.9249465(45)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 106
Relative Atomic Mass = 105.9289317(46)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 107
Relative Atomic Mass = 106.9315937(87)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 108
Relative Atomic Mass = 107.9360748(88)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 109
Relative Atomic Mass = 108.93922(56)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 110
Relative Atomic Mass = 109.94403(21#)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 111
Relative Atomic Mass = 110.94753(32#)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 112
Relative Atomic Mass = 111.95247(32#)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 113
Relative Atomic Mass = 112.95651(43#)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 114
Relative Atomic Mass = 113.96201(54#)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 115
Relative Atomic Mass = 114.96634(54#)
Isotopic Composition = 
Standard Atomic Weight = 92.90637(2)
Notes =  

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 83
Relative Atomic Mass = 82.94988(43#)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 84
Relative Atomic Mass = 83.94149(43#)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 85
Relative Atomic Mass = 84.938261(17)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 86
Relative Atomic Mass = 85.9311748(40)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 87
Relative Atomic Mass = 86.9281962(31)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 88
Relative Atomic Mass = 87.9219678(41)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 89
Relative Atomic Mass = 88.9194682(42)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 90
Relative Atomic Mass = 89.9139309(38)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 91
Relative Atomic Mass = 90.9117453(67)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 92
Relative Atomic Mass = 91.90680796(84)
Isotopic Composition = 0.1453(30)
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 93
Relative Atomic Mass = 92.90680958(84)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 94
Relative Atomic Mass = 93.90508490(48)
Isotopic Composition = 0.0915(9)
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 95
Relative Atomic Mass = 94.90583877(47)
Isotopic Composition = 0.1584(11)
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 96
Relative Atomic Mass = 95.90467612(47)
Isotopic Composition = 0.1667(15)
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 97
Relative Atomic Mass = 96.90601812(49)
Isotopic Composition = 0.0960(14)
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 98
Relative Atomic Mass = 97.90540482(49)
Isotopic Composition = 0.2439(37)
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 99
Relative Atomic Mass = 98.90770851(52)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 100
Relative Atomic Mass = 99.9074718(11)
Isotopic Composition = 0.0982(31)
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 101
Relative Atomic Mass = 100.9103414(11)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 102
Relative Atomic Mass = 101.9102834(91)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 103
Relative Atomic Mass = 102.913079(10)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 104
Relative Atomic Mass = 103.9137344(98)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 105
Relative Atomic Mass = 104.916969(10)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 106
Relative Atomic Mass = 105.918259(10)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 107
Relative Atomic Mass = 106.922106(10)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 108
Relative Atomic Mass = 107.924033(10)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 109
Relative Atomic Mass = 108.928424(12)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 110
Relative Atomic Mass = 109.930704(26)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 111
Relative Atomic Mass = 110.935654(14)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 112
Relative Atomic Mass = 111.93831(21#)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 113
Relative Atomic Mass = 112.94335(32#)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 114
Relative Atomic Mass = 113.94653(32#)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 115
Relative Atomic Mass = 114.95196(43#)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 116
Relative Atomic Mass = 115.95545(54#)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 117
Relative Atomic Mass = 116.96117(54#)
Isotopic Composition = 
Standard Atomic Weight = 95.95(1)
Notes = g

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 85
Relative Atomic Mass = 84.95058(43#)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 86
Relative Atomic Mass = 85.94493(32#)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 87
Relative Atomic Mass = 86.9380672(45)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 88
Relative Atomic Mass = 87.93378(16)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 89
Relative Atomic Mass = 88.9276487(41)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 90
Relative Atomic Mass = 89.9240739(11)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 91
Relative Atomic Mass = 90.9184254(25)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 92
Relative Atomic Mass = 91.9152698(33)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 93
Relative Atomic Mass = 92.9102460(14)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 94
Relative Atomic Mass = 93.9096536(44)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 95
Relative Atomic Mass = 94.9076536(55)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 96
Relative Atomic Mass = 95.9078680(55)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 97
Relative Atomic Mass = 96.9063667(40)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 98
Relative Atomic Mass = 97.9072124(36)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 99
Relative Atomic Mass = 98.9062508(10)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 100
Relative Atomic Mass = 99.9076539(15)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 101
Relative Atomic Mass = 100.907309(26)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 102
Relative Atomic Mass = 101.9092097(99)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 103
Relative Atomic Mass = 102.909176(11)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 104
Relative Atomic Mass = 103.911425(27)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 105
Relative Atomic Mass = 104.911655(38)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 106
Relative Atomic Mass = 105.914358(13)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 107
Relative Atomic Mass = 106.9154606(93)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 108
Relative Atomic Mass = 107.9184957(94)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 109
Relative Atomic Mass = 108.920256(10)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 110
Relative Atomic Mass = 109.923744(10)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 111
Relative Atomic Mass = 110.925901(11)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 112
Relative Atomic Mass = 111.9299458(60)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 113
Relative Atomic Mass = 112.9325690(36)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 114
Relative Atomic Mass = 113.93691(11#)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 115
Relative Atomic Mass = 114.93998(21#)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 116
Relative Atomic Mass = 115.94476(32#)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 117
Relative Atomic Mass = 116.94806(43#)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 118
Relative Atomic Mass = 117.95299(43#)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 119
Relative Atomic Mass = 118.95666(54#)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 120
Relative Atomic Mass = 119.96187(54#)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 87
Relative Atomic Mass = 86.95069(43#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 88
Relative Atomic Mass = 87.94160(32#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 89
Relative Atomic Mass = 88.93762(32#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 90
Relative Atomic Mass = 89.9303444(40)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 91
Relative Atomic Mass = 90.9267419(24)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 92
Relative Atomic Mass = 91.9202344(29)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 93
Relative Atomic Mass = 92.9171044(22)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 94
Relative Atomic Mass = 93.9113429(34)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 95
Relative Atomic Mass = 94.910406(10)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 96
Relative Atomic Mass = 95.90759025(49)
Isotopic Composition = 0.0554(14)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 97
Relative Atomic Mass = 96.9075471(30)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 98
Relative Atomic Mass = 97.9052868(69)
Isotopic Composition = 0.0187(3)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 99
Relative Atomic Mass = 98.9059341(11)
Isotopic Composition = 0.1276(14)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 100
Relative Atomic Mass = 99.9042143(11)
Isotopic Composition = 0.1260(7)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 101
Relative Atomic Mass = 100.9055769(12)
Isotopic Composition = 0.1706(2)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 102
Relative Atomic Mass = 101.9043441(12)
Isotopic Composition = 0.3155(14)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 103
Relative Atomic Mass = 102.9063186(12)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 104
Relative Atomic Mass = 103.9054275(28)
Isotopic Composition = 0.1862(27)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 105
Relative Atomic Mass = 104.9077476(28)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 106
Relative Atomic Mass = 105.9073291(58)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 107
Relative Atomic Mass = 106.9099720(93)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 108
Relative Atomic Mass = 107.9101880(93)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 109
Relative Atomic Mass = 108.9133260(96)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 110
Relative Atomic Mass = 109.9140407(96)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 111
Relative Atomic Mass = 110.917570(10)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 112
Relative Atomic Mass = 111.918809(10)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 113
Relative Atomic Mass = 112.922844(39)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 114
Relative Atomic Mass = 113.9246136(38)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 115
Relative Atomic Mass = 114.928820(71)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 116
Relative Atomic Mass = 115.9312192(40)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 117
Relative Atomic Mass = 116.93610(63)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 118
Relative Atomic Mass = 117.93853(32#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 119
Relative Atomic Mass = 118.94357(32#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 120
Relative Atomic Mass = 119.94631(43#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 121
Relative Atomic Mass = 120.95164(43#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 122
Relative Atomic Mass = 121.95447(54#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 123
Relative Atomic Mass = 122.95989(54#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 124
Relative Atomic Mass = 123.96305(64#)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 89
Relative Atomic Mass = 88.95058(39#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 90
Relative Atomic Mass = 89.94422(43#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 91
Relative Atomic Mass = 90.93688(43#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 92
Relative Atomic Mass = 91.9323677(47)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 93
Relative Atomic Mass = 92.9259128(28)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 94
Relative Atomic Mass = 93.9217305(36)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 95
Relative Atomic Mass = 94.9158979(42)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 96
Relative Atomic Mass = 95.914453(11)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 97
Relative Atomic Mass = 96.911329(38)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 98
Relative Atomic Mass = 97.910708(13)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 99
Relative Atomic Mass = 98.9081282(73)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 100
Relative Atomic Mass = 99.908117(19)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 101
Relative Atomic Mass = 100.9061606(63)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 102
Relative Atomic Mass = 101.9068374(50)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 103
Relative Atomic Mass = 102.9054980(26)
Isotopic Composition = 1
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 104
Relative Atomic Mass = 103.9066492(26)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 105
Relative Atomic Mass = 104.9056885(27)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 106
Relative Atomic Mass = 105.9072868(58)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 107
Relative Atomic Mass = 106.906748(13)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 108
Relative Atomic Mass = 107.908714(15)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 109
Relative Atomic Mass = 108.9087488(43)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 110
Relative Atomic Mass = 109.911079(19)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 111
Relative Atomic Mass = 110.9116423(74)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 112
Relative Atomic Mass = 111.914403(47)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 113
Relative Atomic Mass = 112.9154393(77)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 114
Relative Atomic Mass = 113.918718(77)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 115
Relative Atomic Mass = 114.9203116(78)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 116
Relative Atomic Mass = 115.924059(76)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 117
Relative Atomic Mass = 116.9260354(95)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 118
Relative Atomic Mass = 117.930340(26)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 119
Relative Atomic Mass = 118.932557(10)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 120
Relative Atomic Mass = 119.93686(21#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 121
Relative Atomic Mass = 120.93942(32#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 122
Relative Atomic Mass = 121.94399(32#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 123
Relative Atomic Mass = 122.94685(43#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 124
Relative Atomic Mass = 123.95151(43#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 125
Relative Atomic Mass = 124.95469(54#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 126
Relative Atomic Mass = 125.95946(54#)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 91
Relative Atomic Mass = 90.95032(54#)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 92
Relative Atomic Mass = 91.94088(54#)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 93
Relative Atomic Mass = 92.93651(43#)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 94
Relative Atomic Mass = 93.9290376(46)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 95
Relative Atomic Mass = 94.9248898(33)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 96
Relative Atomic Mass = 95.9182151(45)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 97
Relative Atomic Mass = 96.9164720(52)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 98
Relative Atomic Mass = 97.9126983(51)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 99
Relative Atomic Mass = 98.9117748(54)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 100
Relative Atomic Mass = 99.908505(19)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 101
Relative Atomic Mass = 100.9082864(49)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 102
Relative Atomic Mass = 101.9056022(28)
Isotopic Composition = 0.0102(1)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 103
Relative Atomic Mass = 102.9060809(27)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 104
Relative Atomic Mass = 103.9040305(14)
Isotopic Composition = 0.1114(8)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 105
Relative Atomic Mass = 104.9050796(12)
Isotopic Composition = 0.2233(8)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 106
Relative Atomic Mass = 105.9034804(12)
Isotopic Composition = 0.2733(3)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 107
Relative Atomic Mass = 106.9051282(13)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 108
Relative Atomic Mass = 107.9038916(12)
Isotopic Composition = 0.2646(9)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 109
Relative Atomic Mass = 108.9059504(12)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 110
Relative Atomic Mass = 109.90517220(75)
Isotopic Composition = 0.1172(9)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 111
Relative Atomic Mass = 110.90768968(86)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 112
Relative Atomic Mass = 111.9073297(70)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 113
Relative Atomic Mass = 112.9102610(75)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 114
Relative Atomic Mass = 113.9103686(75)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 115
Relative Atomic Mass = 114.913659(15)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 116
Relative Atomic Mass = 115.9142970(77)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 117
Relative Atomic Mass = 116.9179547(78)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 118
Relative Atomic Mass = 117.9190667(27)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 119
Relative Atomic Mass = 118.9233402(89)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 120
Relative Atomic Mass = 119.9245511(25)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 121
Relative Atomic Mass = 120.9289503(36)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 122
Relative Atomic Mass = 121.930632(21)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 123
Relative Atomic Mass = 122.93514(21#)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 124
Relative Atomic Mass = 123.93714(32#)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 125
Relative Atomic Mass = 124.94179(43#)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 126
Relative Atomic Mass = 125.94416(54#)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 127
Relative Atomic Mass = 126.94907(54#)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 128
Relative Atomic Mass = 127.95183(64#)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 93
Relative Atomic Mass = 92.95033(54#)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 94
Relative Atomic Mass = 93.94373(69#)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 95
Relative Atomic Mass = 94.93602(43#)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 96
Relative Atomic Mass = 95.930744(97)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 97
Relative Atomic Mass = 96.92397(12)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 98
Relative Atomic Mass = 97.921560(35)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 99
Relative Atomic Mass = 98.9176458(67)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 100
Relative Atomic Mass = 99.9161154(54)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 101
Relative Atomic Mass = 100.9126840(52)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 102
Relative Atomic Mass = 101.9117047(88)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 103
Relative Atomic Mass = 102.9089631(41)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 104
Relative Atomic Mass = 103.9086239(45)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 105
Relative Atomic Mass = 104.9065256(49)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 106
Relative Atomic Mass = 105.9066636(32)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 107
Relative Atomic Mass = 106.9050916(26)
Isotopic Composition = 0.51839(8)
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 108
Relative Atomic Mass = 107.9059503(26)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 109
Relative Atomic Mass = 108.9047553(14)
Isotopic Composition = 0.48161(8)
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 110
Relative Atomic Mass = 109.9061102(14)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 111
Relative Atomic Mass = 110.9052959(16)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 112
Relative Atomic Mass = 111.9070486(26)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 113
Relative Atomic Mass = 112.906573(18)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 114
Relative Atomic Mass = 113.9088230(49)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 115
Relative Atomic Mass = 114.908767(20)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 116
Relative Atomic Mass = 115.9113868(35)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 117
Relative Atomic Mass = 116.911774(15)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 118
Relative Atomic Mass = 117.9145955(27)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 119
Relative Atomic Mass = 118.915570(16)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 120
Relative Atomic Mass = 119.9187848(48)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 121
Relative Atomic Mass = 120.920125(13)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 122
Relative Atomic Mass = 121.923664(41)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 123
Relative Atomic Mass = 122.925337(33)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 124
Relative Atomic Mass = 123.92893(27)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 125
Relative Atomic Mass = 124.93105(64)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 126
Relative Atomic Mass = 125.93475(21#)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 127
Relative Atomic Mass = 126.93711(21#)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 128
Relative Atomic Mass = 127.94106(32#)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 129
Relative Atomic Mass = 128.94395(32#)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 130
Relative Atomic Mass = 129.95070(36#)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 95
Relative Atomic Mass = 94.94994(54#)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 96
Relative Atomic Mass = 95.94034(43#)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 97
Relative Atomic Mass = 96.93510(32#)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 98
Relative Atomic Mass = 97.927389(56)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 99
Relative Atomic Mass = 98.9249258(17)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 100
Relative Atomic Mass = 99.9203488(18)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 101
Relative Atomic Mass = 100.9185862(16)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 102
Relative Atomic Mass = 101.9144820(18)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 103
Relative Atomic Mass = 102.9134165(19)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 104
Relative Atomic Mass = 103.9098564(18)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 105
Relative Atomic Mass = 104.9094639(15)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 106
Relative Atomic Mass = 105.9064599(12)
Isotopic Composition = 0.0125(6)
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 107
Relative Atomic Mass = 106.9066121(18)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 108
Relative Atomic Mass = 107.9041834(12)
Isotopic Composition = 0.0089(3)
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 109
Relative Atomic Mass = 108.9049867(17)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 110
Relative Atomic Mass = 109.90300661(61)
Isotopic Composition = 0.1249(18)
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 111
Relative Atomic Mass = 110.90418287(61)
Isotopic Composition = 0.1280(12)
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 112
Relative Atomic Mass = 111.90276287(60)
Isotopic Composition = 0.2413(21)
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 113
Relative Atomic Mass = 112.90440813(45)
Isotopic Composition = 0.1222(12)
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 114
Relative Atomic Mass = 113.90336509(43)
Isotopic Composition = 0.2873(42)
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 115
Relative Atomic Mass = 114.90543751(77)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 116
Relative Atomic Mass = 115.90476315(17)
Isotopic Composition = 0.0749(18)
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 117
Relative Atomic Mass = 116.9072260(11)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 118
Relative Atomic Mass = 117.906922(21)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 119
Relative Atomic Mass = 118.909847(40)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 120
Relative Atomic Mass = 119.9098681(40)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 121
Relative Atomic Mass = 120.9129637(21)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 122
Relative Atomic Mass = 121.9134591(25)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 123
Relative Atomic Mass = 122.9168925(29)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 124
Relative Atomic Mass = 123.9176574(32)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 125
Relative Atomic Mass = 124.9212576(31)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 126
Relative Atomic Mass = 125.9224291(27)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 127
Relative Atomic Mass = 126.926472(14)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 128
Relative Atomic Mass = 127.9278129(78)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 129
Relative Atomic Mass = 128.93182(21#)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 130
Relative Atomic Mass = 129.93394(18)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 131
Relative Atomic Mass = 130.94060(21#)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 132
Relative Atomic Mass = 131.94604(21#)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 133
Relative Atomic Mass = 132.95285(32#)
Isotopic Composition = 
Standard Atomic Weight = 112.414(4)
Notes = g

Atomic Number = 49
Atomic Symbol = In
Mass Number = 97
Relative Atomic Mass = 96.94934(54#)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 98
Relative Atomic Mass = 97.94214(21#)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 99
Relative Atomic Mass = 98.93411(21#)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 100
Relative Atomic Mass = 99.93096(20)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 101
Relative Atomic Mass = 100.92634(32#)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 102
Relative Atomic Mass = 101.9241071(49)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 103
Relative Atomic Mass = 102.9198819(98)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 104
Relative Atomic Mass = 103.9182145(62)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 105
Relative Atomic Mass = 104.914502(11)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 106
Relative Atomic Mass = 105.913464(13)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 107
Relative Atomic Mass = 106.910290(12)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 108
Relative Atomic Mass = 107.9096935(93)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 109
Relative Atomic Mass = 108.9071514(43)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 110
Relative Atomic Mass = 109.907170(12)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 111
Relative Atomic Mass = 110.9051085(38)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 112
Relative Atomic Mass = 111.9055377(46)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 113
Relative Atomic Mass = 112.90406184(91)
Isotopic Composition = 0.0429(5)
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 114
Relative Atomic Mass = 113.90491791(94)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 115
Relative Atomic Mass = 114.903878776(12)
Isotopic Composition = 0.9571(5)
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 116
Relative Atomic Mass = 115.90525999(24)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 117
Relative Atomic Mass = 116.9045157(52)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 118
Relative Atomic Mass = 117.9063566(83)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 119
Relative Atomic Mass = 118.9058507(78)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 120
Relative Atomic Mass = 119.907967(43)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 121
Relative Atomic Mass = 120.907851(29)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 122
Relative Atomic Mass = 121.910281(54)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 123
Relative Atomic Mass = 122.910434(21)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 124
Relative Atomic Mass = 123.913182(33)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 125
Relative Atomic Mass = 124.913605(29)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 126
Relative Atomic Mass = 125.916507(29)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 127
Relative Atomic Mass = 126.917446(23)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 128
Relative Atomic Mass = 127.92040(16)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 129
Relative Atomic Mass = 128.9218053(29)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 130
Relative Atomic Mass = 129.924977(41)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 131
Relative Atomic Mass = 130.9269715(29)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 132
Relative Atomic Mass = 131.933001(64)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 133
Relative Atomic Mass = 132.93831(21#)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 134
Relative Atomic Mass = 133.94454(32#)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 135
Relative Atomic Mass = 134.95005(43#)
Isotopic Composition = 
Standard Atomic Weight = 114.818(1)
Notes =  

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 99
Relative Atomic Mass = 98.94853(54#)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 100
Relative Atomic Mass = 99.93850(32)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 101
Relative Atomic Mass = 100.93526(32)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 102
Relative Atomic Mass = 101.93029(11)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 103
Relative Atomic Mass = 102.928105(76)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 104
Relative Atomic Mass = 103.9231052(62)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 105
Relative Atomic Mass = 104.9212684(43)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 106
Relative Atomic Mass = 105.9169574(55)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 107
Relative Atomic Mass = 106.9157137(57)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 108
Relative Atomic Mass = 107.9118943(58)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 109
Relative Atomic Mass = 108.9112921(85)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 110
Relative Atomic Mass = 109.907845(15)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 111
Relative Atomic Mass = 110.9077401(58)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 112
Relative Atomic Mass = 111.90482387(61)
Isotopic Composition = 0.0097(1)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 113
Relative Atomic Mass = 112.9051757(18)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 114
Relative Atomic Mass = 113.9027827(10)
Isotopic Composition = 0.0066(1)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 115
Relative Atomic Mass = 114.903344699(16)
Isotopic Composition = 0.0034(1)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 116
Relative Atomic Mass = 115.90174280(10)
Isotopic Composition = 0.1454(9)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 117
Relative Atomic Mass = 116.90295398(52)
Isotopic Composition = 0.0768(7)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 118
Relative Atomic Mass = 117.90160657(54)
Isotopic Composition = 0.2422(9)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 119
Relative Atomic Mass = 118.90331117(78)
Isotopic Composition = 0.0859(4)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 120
Relative Atomic Mass = 119.90220163(97)
Isotopic Composition = 0.3258(9)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 121
Relative Atomic Mass = 120.9042426(10)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 122
Relative Atomic Mass = 121.9034438(26)
Isotopic Composition = 0.0463(3)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 123
Relative Atomic Mass = 122.9057252(26)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 124
Relative Atomic Mass = 123.9052766(11)
Isotopic Composition = 0.0579(5)
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 125
Relative Atomic Mass = 124.9077864(11)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 126
Relative Atomic Mass = 125.907659(11)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 127
Relative Atomic Mass = 126.910390(11)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 128
Relative Atomic Mass = 127.910507(19)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 129
Relative Atomic Mass = 128.913465(21)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 130
Relative Atomic Mass = 129.9139738(23)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 131
Relative Atomic Mass = 130.9170450(65)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 132
Relative Atomic Mass = 131.9178267(31)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 133
Relative Atomic Mass = 132.9239134(26)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 134
Relative Atomic Mass = 133.9286821(35)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 135
Relative Atomic Mass = 134.9349086(33)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 136
Relative Atomic Mass = 135.93999(43#)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 137
Relative Atomic Mass = 136.94655(54#)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 138
Relative Atomic Mass = 137.95184(64#)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 103
Relative Atomic Mass = 102.93969(32#)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 104
Relative Atomic Mass = 103.93648(13)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 105
Relative Atomic Mass = 104.931276(23)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 106
Relative Atomic Mass = 105.9286380(80)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 107
Relative Atomic Mass = 106.9241506(45)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 108
Relative Atomic Mass = 107.9222267(59)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 109
Relative Atomic Mass = 108.9181411(57)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 110
Relative Atomic Mass = 109.9168543(64)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 111
Relative Atomic Mass = 110.9132182(95)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 112
Relative Atomic Mass = 111.912400(19)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 113
Relative Atomic Mass = 112.909375(18)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 114
Relative Atomic Mass = 113.909290(23)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 115
Relative Atomic Mass = 114.906598(17)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 116
Relative Atomic Mass = 115.9067931(55)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 117
Relative Atomic Mass = 116.9048415(91)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 118
Relative Atomic Mass = 117.9055321(32)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 119
Relative Atomic Mass = 118.9039455(83)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 120
Relative Atomic Mass = 119.9050794(77)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 121
Relative Atomic Mass = 120.9038120(30)
Isotopic Composition = 0.5721(5)
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 122
Relative Atomic Mass = 121.9051699(30)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 123
Relative Atomic Mass = 122.9042132(23)
Isotopic Composition = 0.4279(5)
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 124
Relative Atomic Mass = 123.9059350(23)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 125
Relative Atomic Mass = 124.9052530(28)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 126
Relative Atomic Mass = 125.907253(34)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 127
Relative Atomic Mass = 126.9069243(55)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 128
Relative Atomic Mass = 127.909146(21)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 129
Relative Atomic Mass = 128.909147(23)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 130
Relative Atomic Mass = 129.911662(15)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 131
Relative Atomic Mass = 130.9119888(23)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 132
Relative Atomic Mass = 131.9145077(29)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 133
Relative Atomic Mass = 132.9152732(34)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 134
Relative Atomic Mass = 133.9205357(18)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 135
Relative Atomic Mass = 134.9251851(31)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 136
Relative Atomic Mass = 135.9307459(68)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 137
Relative Atomic Mass = 136.93555(32)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 138
Relative Atomic Mass = 137.94145(32#)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 139
Relative Atomic Mass = 138.94655(43#)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 140
Relative Atomic Mass = 139.95283(64#)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 105
Relative Atomic Mass = 104.94330(32)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 106
Relative Atomic Mass = 105.93750(11)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 107
Relative Atomic Mass = 106.935012(76)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 108
Relative Atomic Mass = 107.9293805(58)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 109
Relative Atomic Mass = 108.9273045(47)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 110
Relative Atomic Mass = 109.9224581(71)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 111
Relative Atomic Mass = 110.9210006(69)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 112
Relative Atomic Mass = 111.9167279(90)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 113
Relative Atomic Mass = 112.915891(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 114
Relative Atomic Mass = 113.912089(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 115
Relative Atomic Mass = 114.911902(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 116
Relative Atomic Mass = 115.908460(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 117
Relative Atomic Mass = 116.908646(14)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 118
Relative Atomic Mass = 117.905854(20)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 119
Relative Atomic Mass = 118.9064071(85)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 120
Relative Atomic Mass = 119.9040593(33)
Isotopic Composition = 0.0009(1)
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 121
Relative Atomic Mass = 120.904944(28)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 122
Relative Atomic Mass = 121.9030435(16)
Isotopic Composition = 0.0255(12)
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 123
Relative Atomic Mass = 122.9042698(16)
Isotopic Composition = 0.0089(3)
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 124
Relative Atomic Mass = 123.9028171(16)
Isotopic Composition = 0.0474(14)
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 125
Relative Atomic Mass = 124.9044299(16)
Isotopic Composition = 0.0707(15)
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 126
Relative Atomic Mass = 125.9033109(16)
Isotopic Composition = 0.1884(25)
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 127
Relative Atomic Mass = 126.9052257(16)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 128
Relative Atomic Mass = 127.90446128(93)
Isotopic Composition = 0.3174(8)
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 129
Relative Atomic Mass = 128.90659646(93)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 130
Relative Atomic Mass = 129.906222748(12)
Isotopic Composition = 0.3408(62)
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 131
Relative Atomic Mass = 130.908522213(65)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 132
Relative Atomic Mass = 131.9085467(37)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 133
Relative Atomic Mass = 132.9109688(39)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 134
Relative Atomic Mass = 133.9113940(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 135
Relative Atomic Mass = 134.9165557(29)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 136
Relative Atomic Mass = 135.9201006(26)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 137
Relative Atomic Mass = 136.9255989(27)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 138
Relative Atomic Mass = 137.9294722(47)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 139
Relative Atomic Mass = 138.9353672(38)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 140
Relative Atomic Mass = 139.939499(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 141
Relative Atomic Mass = 140.94580(43#)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 142
Relative Atomic Mass = 141.95022(54#)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 143
Relative Atomic Mass = 142.95676(54#)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g

Atomic Number = 53
Atomic Symbol = I
Mass Number = 107
Relative Atomic Mass = 106.94678(32#)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 108
Relative Atomic Mass = 107.94348(14)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 109
Relative Atomic Mass = 108.9380853(61)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 110
Relative Atomic Mass = 109.935089(54)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 111
Relative Atomic Mass = 110.9302692(51)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 112
Relative Atomic Mass = 111.928005(11)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 113
Relative Atomic Mass = 112.9236501(86)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 114
Relative Atomic Mass = 113.92185(32#)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 115
Relative Atomic Mass = 114.918048(31)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 116
Relative Atomic Mass = 115.91681(10)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 117
Relative Atomic Mass = 116.913648(28)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 118
Relative Atomic Mass = 117.913074(21)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 119
Relative Atomic Mass = 118.910074(30)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 120
Relative Atomic Mass = 119.910087(16)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 121
Relative Atomic Mass = 120.9074051(58)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 122
Relative Atomic Mass = 121.9075888(56)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 123
Relative Atomic Mass = 122.9055885(40)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 124
Relative Atomic Mass = 123.9062090(26)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 125
Relative Atomic Mass = 124.9046294(16)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 126
Relative Atomic Mass = 125.9056233(41)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 127
Relative Atomic Mass = 126.9044719(39)
Isotopic Composition = 1
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 128
Relative Atomic Mass = 127.9058086(39)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 129
Relative Atomic Mass = 128.9049837(34)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 130
Relative Atomic Mass = 129.9066702(34)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 131
Relative Atomic Mass = 130.90612630(69)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 132
Relative Atomic Mass = 131.9079935(44)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 133
Relative Atomic Mass = 132.9077970(50)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 134
Relative Atomic Mass = 133.9097588(59)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 135
Relative Atomic Mass = 134.9100488(58)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 136
Relative Atomic Mass = 135.914604(15)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 137
Relative Atomic Mass = 136.9180282(90)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 138
Relative Atomic Mass = 137.9227264(64)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 139
Relative Atomic Mass = 138.926506(31)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 140
Relative Atomic Mass = 139.93173(20)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 141
Relative Atomic Mass = 140.93569(21#)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 142
Relative Atomic Mass = 141.94120(40)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 143
Relative Atomic Mass = 142.94565(32#)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 144
Relative Atomic Mass = 143.95139(43#)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 145
Relative Atomic Mass = 144.95605(54#)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 109
Relative Atomic Mass = 108.95043(32)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 110
Relative Atomic Mass = 109.94426(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 111
Relative Atomic Mass = 110.941607(93)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 112
Relative Atomic Mass = 111.9355590(89)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 113
Relative Atomic Mass = 112.9332217(73)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 114
Relative Atomic Mass = 113.927980(12)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 115
Relative Atomic Mass = 114.926294(13)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 116
Relative Atomic Mass = 115.921581(14)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 117
Relative Atomic Mass = 116.920359(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 118
Relative Atomic Mass = 117.916179(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 119
Relative Atomic Mass = 118.915411(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 120
Relative Atomic Mass = 119.911784(13)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 121
Relative Atomic Mass = 120.911453(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 122
Relative Atomic Mass = 121.908368(12)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 123
Relative Atomic Mass = 122.908482(10)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 124
Relative Atomic Mass = 123.9058920(19)
Isotopic Composition = 0.000952(3)
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 125
Relative Atomic Mass = 124.9063944(20)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 126
Relative Atomic Mass = 125.9042983(38)
Isotopic Composition = 0.000890(2)
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 127
Relative Atomic Mass = 126.9051829(44)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 128
Relative Atomic Mass = 127.9035310(11)
Isotopic Composition = 0.019102(8)
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 129
Relative Atomic Mass = 128.9047808611(60)
Isotopic Composition = 0.264006(82)
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 130
Relative Atomic Mass = 129.903509349(10)
Isotopic Composition = 0.040710(13)
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 131
Relative Atomic Mass = 130.90508406(24)
Isotopic Composition = 0.212324(30)
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 132
Relative Atomic Mass = 131.9041550856(56)
Isotopic Composition = 0.269086(33)
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 133
Relative Atomic Mass = 132.9059108(26)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 134
Relative Atomic Mass = 133.90539466(90)
Isotopic Composition = 0.104357(21)
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 135
Relative Atomic Mass = 134.9072278(45)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 136
Relative Atomic Mass = 135.907214484(11)
Isotopic Composition = 0.088573(44)
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 137
Relative Atomic Mass = 136.91155778(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 138
Relative Atomic Mass = 137.9141463(30)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 139
Relative Atomic Mass = 138.9187922(23)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 140
Relative Atomic Mass = 139.9216458(25)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 141
Relative Atomic Mass = 140.9267872(31)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 142
Relative Atomic Mass = 141.9299731(29)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 143
Relative Atomic Mass = 142.9353696(50)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 144
Relative Atomic Mass = 143.9389451(57)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 145
Relative Atomic Mass = 144.944720(12)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 146
Relative Atomic Mass = 145.948518(26)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 147
Relative Atomic Mass = 146.95426(21#)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 148
Relative Atomic Mass = 147.95813(21#)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 112
Relative Atomic Mass = 111.950309(93)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 113
Relative Atomic Mass = 112.9444291(93)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 114
Relative Atomic Mass = 113.941296(76)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 115
Relative Atomic Mass = 114.93591(32#)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 116
Relative Atomic Mass = 115.93337(11#)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 117
Relative Atomic Mass = 116.928617(67)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 118
Relative Atomic Mass = 117.926560(14)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 119
Relative Atomic Mass = 118.922377(15)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 120
Relative Atomic Mass = 119.920677(11)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 121
Relative Atomic Mass = 120.917227(15)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 122
Relative Atomic Mass = 121.916108(36)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 123
Relative Atomic Mass = 122.912996(13)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 124
Relative Atomic Mass = 123.9122578(89)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 125
Relative Atomic Mass = 124.9097280(83)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 126
Relative Atomic Mass = 125.909446(11)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 127
Relative Atomic Mass = 126.9074174(60)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 128
Relative Atomic Mass = 127.9077487(58)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 129
Relative Atomic Mass = 128.9060657(49)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 130
Relative Atomic Mass = 129.9067093(90)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 131
Relative Atomic Mass = 130.9054649(53)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 132
Relative Atomic Mass = 131.9064339(21)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 133
Relative Atomic Mass = 132.9054519610(80)
Isotopic Composition = 1
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 134
Relative Atomic Mass = 133.906718503(17)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 135
Relative Atomic Mass = 134.9059770(11)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 136
Relative Atomic Mass = 135.9073114(20)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 137
Relative Atomic Mass = 136.90708923(36)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 138
Relative Atomic Mass = 137.9110171(98)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 139
Relative Atomic Mass = 138.9133638(34)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 140
Relative Atomic Mass = 139.9172831(88)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 141
Relative Atomic Mass = 140.9200455(98)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 142
Relative Atomic Mass = 141.9242960(79)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 143
Relative Atomic Mass = 142.927349(24)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 144
Relative Atomic Mass = 143.932076(27)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 145
Relative Atomic Mass = 144.935527(12)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 146
Relative Atomic Mass = 145.940344(42)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 147
Relative Atomic Mass = 146.944156(57)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 148
Relative Atomic Mass = 147.94923(62)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 149
Relative Atomic Mass = 148.95302(21#)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 150
Relative Atomic Mass = 149.95833(32#)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 151
Relative Atomic Mass = 150.96258(43#)
Isotopic Composition = 
Standard Atomic Weight = 132.90545196(6)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 114
Relative Atomic Mass = 113.95066(12)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 115
Relative Atomic Mass = 114.94737(54#)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 116
Relative Atomic Mass = 115.94128(32#)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 117
Relative Atomic Mass = 116.93814(21)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 118
Relative Atomic Mass = 117.93306(21#)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 119
Relative Atomic Mass = 118.93066(21)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 120
Relative Atomic Mass = 119.92605(32)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 121
Relative Atomic Mass = 120.92405(15)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 122
Relative Atomic Mass = 121.919904(30)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 123
Relative Atomic Mass = 122.918781(13)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 124
Relative Atomic Mass = 123.915094(13)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 125
Relative Atomic Mass = 124.914472(12)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 126
Relative Atomic Mass = 125.911250(13)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 127
Relative Atomic Mass = 126.911091(12)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 128
Relative Atomic Mass = 127.9083420(56)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 129
Relative Atomic Mass = 128.908681(11)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 130
Relative Atomic Mass = 129.9063207(28)
Isotopic Composition = 0.00106(1)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 131
Relative Atomic Mass = 130.9069410(28)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 132
Relative Atomic Mass = 131.9050611(11)
Isotopic Composition = 0.00101(1)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 133
Relative Atomic Mass = 132.9060074(11)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 134
Relative Atomic Mass = 133.90450818(30)
Isotopic Composition = 0.02417(18)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 135
Relative Atomic Mass = 134.90568838(29)
Isotopic Composition = 0.06592(12)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 136
Relative Atomic Mass = 135.90457573(29)
Isotopic Composition = 0.07854(24)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 137
Relative Atomic Mass = 136.90582714(30)
Isotopic Composition = 0.11232(24)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 138
Relative Atomic Mass = 137.90524700(31)
Isotopic Composition = 0.71698(42)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 139
Relative Atomic Mass = 138.90884110(31)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 140
Relative Atomic Mass = 139.9106057(85)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 141
Relative Atomic Mass = 140.9144033(57)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 142
Relative Atomic Mass = 141.9164324(64)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 143
Relative Atomic Mass = 142.9206253(74)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 144
Relative Atomic Mass = 143.9229549(77)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 145
Relative Atomic Mass = 144.9275184(91)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 146
Relative Atomic Mass = 145.930284(22)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 147
Relative Atomic Mass = 146.935304(21)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 148
Relative Atomic Mass = 147.938171(68)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 149
Relative Atomic Mass = 148.94308(21#)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 150
Relative Atomic Mass = 149.94605(32#)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 151
Relative Atomic Mass = 150.95127(32#)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 152
Relative Atomic Mass = 151.95481(43#)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 153
Relative Atomic Mass = 152.96036(43#)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 57
Atomic Symbol = La
Mass Number = 116
Relative Atomic Mass = 115.95630(23#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 117
Relative Atomic Mass = 116.94999(32#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 118
Relative Atomic Mass = 117.94673(32#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 119
Relative Atomic Mass = 118.94099(32#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 120
Relative Atomic Mass = 119.93807(32#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 121
Relative Atomic Mass = 120.93315(32#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 122
Relative Atomic Mass = 121.93071(32#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 123
Relative Atomic Mass = 122.92630(21#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 124
Relative Atomic Mass = 123.924574(61)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 125
Relative Atomic Mass = 124.920816(28)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 126
Relative Atomic Mass = 125.919513(97)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 127
Relative Atomic Mass = 126.916375(28)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 128
Relative Atomic Mass = 127.915592(58)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 129
Relative Atomic Mass = 128.912694(23)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 130
Relative Atomic Mass = 129.912369(28)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 131
Relative Atomic Mass = 130.910070(30)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 132
Relative Atomic Mass = 131.910119(39)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 133
Relative Atomic Mass = 132.908218(30)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 134
Relative Atomic Mass = 133.908514(21)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 135
Relative Atomic Mass = 134.906984(10)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 136
Relative Atomic Mass = 135.907635(57)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 137
Relative Atomic Mass = 136.9064504(18)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 138
Relative Atomic Mass = 137.9071149(37)
Isotopic Composition = 0.0008881(71)
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 139
Relative Atomic Mass = 138.9063563(24)
Isotopic Composition = 0.9991119(71)
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 140
Relative Atomic Mass = 139.9094806(24)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 141
Relative Atomic Mass = 140.9109660(48)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 142
Relative Atomic Mass = 141.9140909(69)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 143
Relative Atomic Mass = 142.9160795(79)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 144
Relative Atomic Mass = 143.919646(14)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 145
Relative Atomic Mass = 144.921808(13)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 146
Relative Atomic Mass = 145.925875(36)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 147
Relative Atomic Mass = 146.928418(12)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 148
Relative Atomic Mass = 147.932679(21)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 149
Relative Atomic Mass = 148.93535(21)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 150
Relative Atomic Mass = 149.93947(21#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 151
Relative Atomic Mass = 150.94232(21#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 152
Relative Atomic Mass = 151.94682(32#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 153
Relative Atomic Mass = 152.95036(32#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 154
Relative Atomic Mass = 153.95517(43#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 155
Relative Atomic Mass = 154.95901(43#)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 119
Relative Atomic Mass = 118.95271(54#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 120
Relative Atomic Mass = 119.94654(54#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 121
Relative Atomic Mass = 120.94335(43#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 122
Relative Atomic Mass = 121.93787(43#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 123
Relative Atomic Mass = 122.93528(32#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 124
Relative Atomic Mass = 123.93031(32#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 125
Relative Atomic Mass = 124.92844(21#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 126
Relative Atomic Mass = 125.923971(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 127
Relative Atomic Mass = 126.922727(31)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 128
Relative Atomic Mass = 127.918911(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 129
Relative Atomic Mass = 128.918102(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 130
Relative Atomic Mass = 129.914736(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 131
Relative Atomic Mass = 130.914429(35)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 132
Relative Atomic Mass = 131.911464(22)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 133
Relative Atomic Mass = 132.911520(18)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 134
Relative Atomic Mass = 133.908928(22)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 135
Relative Atomic Mass = 134.909161(11)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 136
Relative Atomic Mass = 135.90712921(41)
Isotopic Composition = 0.00185(2)
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 137
Relative Atomic Mass = 136.90776236(45)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 138
Relative Atomic Mass = 137.905991(11)
Isotopic Composition = 0.00251(2)
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 139
Relative Atomic Mass = 138.9066551(78)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 140
Relative Atomic Mass = 139.9054431(23)
Isotopic Composition = 0.88450(51)
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 141
Relative Atomic Mass = 140.9082807(23)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 142
Relative Atomic Mass = 141.9092504(29)
Isotopic Composition = 0.11114(51)
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 143
Relative Atomic Mass = 142.9123921(29)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 144
Relative Atomic Mass = 143.9136529(34)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 145
Relative Atomic Mass = 144.917265(36)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 146
Relative Atomic Mass = 145.918802(18)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 147
Relative Atomic Mass = 146.9226899(92)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 148
Relative Atomic Mass = 147.924424(12)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 149
Relative Atomic Mass = 148.928427(11)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 150
Relative Atomic Mass = 149.930384(13)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 151
Relative Atomic Mass = 150.934272(19)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 152
Relative Atomic Mass = 151.93660(21#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 153
Relative Atomic Mass = 152.94093(21#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 154
Relative Atomic Mass = 153.94380(32#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 155
Relative Atomic Mass = 154.94855(43#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 156
Relative Atomic Mass = 155.95183(43#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 157
Relative Atomic Mass = 156.95705(54#)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 121
Relative Atomic Mass = 120.95532(54#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 122
Relative Atomic Mass = 121.95175(54#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 123
Relative Atomic Mass = 122.94596(43#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 124
Relative Atomic Mass = 123.94294(43#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 125
Relative Atomic Mass = 124.93770(32#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 126
Relative Atomic Mass = 125.93524(21#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 127
Relative Atomic Mass = 126.93071(21#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 128
Relative Atomic Mass = 127.928791(32)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 129
Relative Atomic Mass = 128.925095(32)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 130
Relative Atomic Mass = 129.923590(69)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 131
Relative Atomic Mass = 130.920235(50)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 132
Relative Atomic Mass = 131.919255(61)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 133
Relative Atomic Mass = 132.916331(13)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 134
Relative Atomic Mass = 133.915697(22)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 135
Relative Atomic Mass = 134.913112(13)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 136
Relative Atomic Mass = 135.912677(12)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 137
Relative Atomic Mass = 136.9106792(87)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 138
Relative Atomic Mass = 137.910754(15)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 139
Relative Atomic Mass = 138.9089408(85)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 140
Relative Atomic Mass = 139.9090803(69)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 141
Relative Atomic Mass = 140.9076576(23)
Isotopic Composition = 1
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 142
Relative Atomic Mass = 141.9100496(23)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 143
Relative Atomic Mass = 142.9108228(24)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 144
Relative Atomic Mass = 143.9133109(32)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 145
Relative Atomic Mass = 144.9145182(78)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 146
Relative Atomic Mass = 145.917680(37)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 147
Relative Atomic Mass = 146.919008(17)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 148
Relative Atomic Mass = 147.922130(16)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 149
Relative Atomic Mass = 148.923736(11)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 150
Relative Atomic Mass = 149.9266765(97)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 151
Relative Atomic Mass = 150.928309(13)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 152
Relative Atomic Mass = 151.931553(20)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 153
Relative Atomic Mass = 152.933904(13)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 154
Relative Atomic Mass = 153.93753(16)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 155
Relative Atomic Mass = 154.940509(18)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 156
Relative Atomic Mass = 155.94464(32#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 157
Relative Atomic Mass = 156.94789(43#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 158
Relative Atomic Mass = 157.95241(43#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 159
Relative Atomic Mass = 158.95589(54#)
Isotopic Composition = 
Standard Atomic Weight = 140.90766(2)
Notes =  

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 124
Relative Atomic Mass = 123.95220(54#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 125
Relative Atomic Mass = 124.94890(43#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 126
Relative Atomic Mass = 125.94311(32#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 127
Relative Atomic Mass = 126.94038(32#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 128
Relative Atomic Mass = 127.93525(21#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 129
Relative Atomic Mass = 128.93310(22#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 130
Relative Atomic Mass = 129.928506(30)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 131
Relative Atomic Mass = 130.927248(30)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 132
Relative Atomic Mass = 131.923321(26)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 133
Relative Atomic Mass = 132.922348(50)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 134
Relative Atomic Mass = 133.918790(13)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 135
Relative Atomic Mass = 134.918181(21)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 136
Relative Atomic Mass = 135.914976(13)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 137
Relative Atomic Mass = 136.914562(13)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 138
Relative Atomic Mass = 137.911950(12)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 139
Relative Atomic Mass = 138.911954(30)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 140
Relative Atomic Mass = 139.909550(28)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 141
Relative Atomic Mass = 140.9096147(38)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 142
Relative Atomic Mass = 141.9077290(20)
Isotopic Composition = 0.27152(40)
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 143
Relative Atomic Mass = 142.9098200(20)
Isotopic Composition = 0.12174(26)
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 144
Relative Atomic Mass = 143.9100930(20)
Isotopic Composition = 0.23798(19)
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 145
Relative Atomic Mass = 144.9125793(20)
Isotopic Composition = 0.08293(12)
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 146
Relative Atomic Mass = 145.9131226(20)
Isotopic Composition = 0.17189(32)
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 147
Relative Atomic Mass = 146.9161061(20)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 148
Relative Atomic Mass = 147.9168993(26)
Isotopic Composition = 0.05756(21)
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 149
Relative Atomic Mass = 148.9201548(26)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 150
Relative Atomic Mass = 149.9209022(18)
Isotopic Composition = 0.05638(28)
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 151
Relative Atomic Mass = 150.9238403(18)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 152
Relative Atomic Mass = 151.924692(26)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 153
Relative Atomic Mass = 152.9277180(29)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 154
Relative Atomic Mass = 153.92948(12)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 155
Relative Atomic Mass = 154.9331357(98)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 156
Relative Atomic Mass = 155.93508(21)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 157
Relative Atomic Mass = 156.939386(27)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 158
Relative Atomic Mass = 157.94197(32#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 159
Relative Atomic Mass = 158.94653(43#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 160
Relative Atomic Mass = 159.94940(43#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 161
Relative Atomic Mass = 160.95428(54#)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 126
Relative Atomic Mass = 125.95792(54#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 127
Relative Atomic Mass = 126.95192(43#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 128
Relative Atomic Mass = 127.94870(32#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 129
Relative Atomic Mass = 128.94323(32#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 130
Relative Atomic Mass = 129.94053(21#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 131
Relative Atomic Mass = 130.93567(21#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 132
Relative Atomic Mass = 131.93384(16#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 133
Relative Atomic Mass = 132.929782(54)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 134
Relative Atomic Mass = 133.928353(62)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 135
Relative Atomic Mass = 134.924823(70)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 136
Relative Atomic Mass = 135.923585(77)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 137
Relative Atomic Mass = 136.920480(14)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 138
Relative Atomic Mass = 137.919548(30)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 139
Relative Atomic Mass = 138.916800(15)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 140
Relative Atomic Mass = 139.916040(38)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 141
Relative Atomic Mass = 140.913555(15)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 142
Relative Atomic Mass = 141.912890(25)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 143
Relative Atomic Mass = 142.9109383(34)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 144
Relative Atomic Mass = 143.9125964(34)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 145
Relative Atomic Mass = 144.9127559(33)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 146
Relative Atomic Mass = 145.9147024(48)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 147
Relative Atomic Mass = 146.9151450(19)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 148
Relative Atomic Mass = 147.9174819(63)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 149
Relative Atomic Mass = 148.9183423(27)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 150
Relative Atomic Mass = 149.920991(22)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 151
Relative Atomic Mass = 150.9212175(51)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 152
Relative Atomic Mass = 151.923506(28)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 153
Relative Atomic Mass = 152.9241567(97)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 154
Relative Atomic Mass = 153.926472(48)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 155
Relative Atomic Mass = 154.9281370(51)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 156
Relative Atomic Mass = 155.9311175(39)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 157
Relative Atomic Mass = 156.9331214(75)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 158
Relative Atomic Mass = 157.936565(14)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 159
Relative Atomic Mass = 158.939287(11)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 160
Relative Atomic Mass = 159.94310(32#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 161
Relative Atomic Mass = 160.94607(32#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 162
Relative Atomic Mass = 161.95022(43#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 163
Relative Atomic Mass = 162.95357(54#)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 128
Relative Atomic Mass = 127.95842(54#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 129
Relative Atomic Mass = 128.95476(54#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 130
Relative Atomic Mass = 129.94900(43#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 131
Relative Atomic Mass = 130.94618(43#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 132
Relative Atomic Mass = 131.94087(32#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 133
Relative Atomic Mass = 132.93856(32#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 134
Relative Atomic Mass = 133.93411(21#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 135
Relative Atomic Mass = 134.93252(17)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 136
Relative Atomic Mass = 135.928276(13)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 137
Relative Atomic Mass = 136.926971(46)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 138
Relative Atomic Mass = 137.923244(13)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 139
Relative Atomic Mass = 138.922297(12)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 140
Relative Atomic Mass = 139.918995(13)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 141
Relative Atomic Mass = 140.9184816(92)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 142
Relative Atomic Mass = 141.9152044(36)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 143
Relative Atomic Mass = 142.9146353(33)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 144
Relative Atomic Mass = 143.9120065(21)
Isotopic Composition = 0.0307(7)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 145
Relative Atomic Mass = 144.9134173(21)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 146
Relative Atomic Mass = 145.9130470(35)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 147
Relative Atomic Mass = 146.9149044(19)
Isotopic Composition = 0.1499(18)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 148
Relative Atomic Mass = 147.9148292(19)
Isotopic Composition = 0.1124(10)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 149
Relative Atomic Mass = 148.9171921(18)
Isotopic Composition = 0.1382(7)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 150
Relative Atomic Mass = 149.9172829(18)
Isotopic Composition = 0.0738(1)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 151
Relative Atomic Mass = 150.9199398(18)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 152
Relative Atomic Mass = 151.9197397(18)
Isotopic Composition = 0.2675(16)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 153
Relative Atomic Mass = 152.9221047(18)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 154
Relative Atomic Mass = 153.9222169(20)
Isotopic Composition = 0.2275(29)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 155
Relative Atomic Mass = 154.9246477(20)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 156
Relative Atomic Mass = 155.925536(10)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 157
Relative Atomic Mass = 156.9284187(48)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 158
Relative Atomic Mass = 157.9299510(53)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 159
Relative Atomic Mass = 158.9332172(64)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 160
Relative Atomic Mass = 159.9353353(64)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 161
Relative Atomic Mass = 160.9391602(73)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 162
Relative Atomic Mass = 161.94146(21#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 163
Relative Atomic Mass = 162.94555(32#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 164
Relative Atomic Mass = 163.94836(32#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 165
Relative Atomic Mass = 164.95297(43#)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 130
Relative Atomic Mass = 129.96369(54#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 131
Relative Atomic Mass = 130.95784(43#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 132
Relative Atomic Mass = 131.95467(43#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 133
Relative Atomic Mass = 132.94929(32#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 134
Relative Atomic Mass = 133.94640(32#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 135
Relative Atomic Mass = 134.94187(21#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 136
Relative Atomic Mass = 135.93962(21#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 137
Relative Atomic Mass = 136.93546(21#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 138
Relative Atomic Mass = 137.933709(30)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 139
Relative Atomic Mass = 138.929792(14)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 140
Relative Atomic Mass = 139.928088(55)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 141
Relative Atomic Mass = 140.924932(14)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 142
Relative Atomic Mass = 141.923442(32)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 143
Relative Atomic Mass = 142.920299(12)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 144
Relative Atomic Mass = 143.918820(12)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 145
Relative Atomic Mass = 144.9162726(36)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 146
Relative Atomic Mass = 145.9172110(65)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 147
Relative Atomic Mass = 146.9167527(31)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 148
Relative Atomic Mass = 147.918089(11)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 149
Relative Atomic Mass = 148.9179378(44)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 150
Relative Atomic Mass = 149.9197077(68)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 151
Relative Atomic Mass = 150.9198578(18)
Isotopic Composition = 0.4781(6)
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 152
Relative Atomic Mass = 151.9217522(18)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 153
Relative Atomic Mass = 152.9212380(18)
Isotopic Composition = 0.5219(6)
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 154
Relative Atomic Mass = 153.9229870(19)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 155
Relative Atomic Mass = 154.9229011(19)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 156
Relative Atomic Mass = 155.9247605(59)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 157
Relative Atomic Mass = 156.9254334(46)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 158
Relative Atomic Mass = 157.927799(11)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 159
Relative Atomic Mass = 158.9291001(47)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 160
Relative Atomic Mass = 159.931851(10)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 161
Relative Atomic Mass = 160.933664(11)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 162
Relative Atomic Mass = 161.936989(65)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 163
Relative Atomic Mass = 162.939196(76)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 164
Relative Atomic Mass = 163.94274(22#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 165
Relative Atomic Mass = 164.94559(35#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 166
Relative Atomic Mass = 165.94962(32#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 167
Relative Atomic Mass = 166.95289(43#)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 133
Relative Atomic Mass = 132.96133(54#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 134
Relative Atomic Mass = 133.95566(43#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 135
Relative Atomic Mass = 134.95245(43#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 136
Relative Atomic Mass = 135.94730(32#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 137
Relative Atomic Mass = 136.94502(32#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 138
Relative Atomic Mass = 137.94025(21#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 139
Relative Atomic Mass = 138.93813(21#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 140
Relative Atomic Mass = 139.933674(30)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 141
Relative Atomic Mass = 140.932126(21)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 142
Relative Atomic Mass = 141.928116(30)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 143
Relative Atomic Mass = 142.92675(22)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 144
Relative Atomic Mass = 143.922963(30)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 145
Relative Atomic Mass = 144.921713(21)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 146
Relative Atomic Mass = 145.9183188(46)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 147
Relative Atomic Mass = 146.9191014(25)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 148
Relative Atomic Mass = 147.9181215(21)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 149
Relative Atomic Mass = 148.9193481(38)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 150
Relative Atomic Mass = 149.9186644(66)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 151
Relative Atomic Mass = 150.9203560(35)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 152
Relative Atomic Mass = 151.9197995(18)
Isotopic Composition = 0.0020(1)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 153
Relative Atomic Mass = 152.9217580(18)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 154
Relative Atomic Mass = 153.9208741(17)
Isotopic Composition = 0.0218(3)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 155
Relative Atomic Mass = 154.9226305(17)
Isotopic Composition = 0.1480(12)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 156
Relative Atomic Mass = 155.9221312(17)
Isotopic Composition = 0.2047(9)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 157
Relative Atomic Mass = 156.9239686(17)
Isotopic Composition = 0.1565(2)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 158
Relative Atomic Mass = 157.9241123(17)
Isotopic Composition = 0.2484(7)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 159
Relative Atomic Mass = 158.9263970(17)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 160
Relative Atomic Mass = 159.9270624(18)
Isotopic Composition = 0.2186(19)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 161
Relative Atomic Mass = 160.9296775(21)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 162
Relative Atomic Mass = 161.9309930(45)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 163
Relative Atomic Mass = 162.9341769(90)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 164
Relative Atomic Mass = 163.93583(21#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 165
Relative Atomic Mass = 164.93936(32#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 166
Relative Atomic Mass = 165.94146(64#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 167
Relative Atomic Mass = 166.94545(43#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 168
Relative Atomic Mass = 167.94808(43#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 169
Relative Atomic Mass = 168.95260(54#)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 135
Relative Atomic Mass = 134.96476(43#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 136
Relative Atomic Mass = 135.96129(54#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 137
Relative Atomic Mass = 136.95602(54#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 138
Relative Atomic Mass = 137.95312(32#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 139
Relative Atomic Mass = 138.94833(32#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 140
Relative Atomic Mass = 139.94581(86)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 141
Relative Atomic Mass = 140.94145(11)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 142
Relative Atomic Mass = 141.93928(75)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 143
Relative Atomic Mass = 142.935137(55)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 144
Relative Atomic Mass = 143.933045(30)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 145
Relative Atomic Mass = 144.92882(10)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 146
Relative Atomic Mass = 145.927253(48)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 147
Relative Atomic Mass = 146.9240548(87)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 148
Relative Atomic Mass = 147.924282(14)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 149
Relative Atomic Mass = 148.9232535(41)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 150
Relative Atomic Mass = 149.9236649(80)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 151
Relative Atomic Mass = 150.9231096(46)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 152
Relative Atomic Mass = 151.924083(43)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 153
Relative Atomic Mass = 152.9234424(44)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 154
Relative Atomic Mass = 153.924685(49)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 155
Relative Atomic Mass = 154.923511(11)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 156
Relative Atomic Mass = 155.9247552(43)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 157
Relative Atomic Mass = 156.9240330(18)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 158
Relative Atomic Mass = 157.9254209(20)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 159
Relative Atomic Mass = 158.9253547(19)
Isotopic Composition = 1
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 160
Relative Atomic Mass = 159.9271756(19)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 161
Relative Atomic Mass = 160.9275778(20)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 162
Relative Atomic Mass = 161.929495(39)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 163
Relative Atomic Mass = 162.9306547(47)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 164
Relative Atomic Mass = 163.93336(11)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 165
Relative Atomic Mass = 164.93498(21#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 166
Relative Atomic Mass = 165.937860(75)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 167
Relative Atomic Mass = 166.93996(21#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 168
Relative Atomic Mass = 167.94340(32#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 169
Relative Atomic Mass = 168.94597(32#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 170
Relative Atomic Mass = 169.94984(43#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 171
Relative Atomic Mass = 170.95273(54#)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 138
Relative Atomic Mass = 137.96250(43#)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 139
Relative Atomic Mass = 138.95959(54#)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 140
Relative Atomic Mass = 139.95402(54#)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 141
Relative Atomic Mass = 140.95128(32#)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 142
Relative Atomic Mass = 141.94619(78#)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 143
Relative Atomic Mass = 142.943994(14)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 144
Relative Atomic Mass = 143.9392695(77)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 145
Relative Atomic Mass = 144.9374740(70)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 146
Relative Atomic Mass = 145.9328445(72)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 147
Relative Atomic Mass = 146.9310827(95)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 148
Relative Atomic Mass = 147.927157(10)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 149
Relative Atomic Mass = 148.927322(10)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 150
Relative Atomic Mass = 149.9255933(48)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 151
Relative Atomic Mass = 150.9261916(38)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 152
Relative Atomic Mass = 151.9247253(51)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 153
Relative Atomic Mass = 152.9257724(45)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 154
Relative Atomic Mass = 153.9244293(80)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 155
Relative Atomic Mass = 154.925759(10)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 156
Relative Atomic Mass = 155.9242847(17)
Isotopic Composition = 0.00056(3)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 157
Relative Atomic Mass = 156.9254707(57)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 158
Relative Atomic Mass = 157.9244159(31)
Isotopic Composition = 0.00095(3)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 159
Relative Atomic Mass = 158.9257470(22)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 160
Relative Atomic Mass = 159.9252046(20)
Isotopic Composition = 0.02329(18)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 161
Relative Atomic Mass = 160.9269405(20)
Isotopic Composition = 0.18889(42)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 162
Relative Atomic Mass = 161.9268056(20)
Isotopic Composition = 0.25475(36)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 163
Relative Atomic Mass = 162.9287383(20)
Isotopic Composition = 0.24896(42)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 164
Relative Atomic Mass = 163.9291819(20)
Isotopic Composition = 0.28260(54)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 165
Relative Atomic Mass = 164.9317105(20)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 166
Relative Atomic Mass = 165.9328139(21)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 167
Relative Atomic Mass = 166.935661(65)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 168
Relative Atomic Mass = 167.93713(15)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 169
Relative Atomic Mass = 168.94031(32)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 170
Relative Atomic Mass = 169.94239(21#)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 171
Relative Atomic Mass = 170.94612(32#)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 172
Relative Atomic Mass = 171.94846(32#)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 173
Relative Atomic Mass = 172.95283(43#)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 140
Relative Atomic Mass = 139.96859(54#)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 141
Relative Atomic Mass = 140.96311(54#)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 142
Relative Atomic Mass = 141.96001(54#)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 143
Relative Atomic Mass = 142.95486(43#)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 144
Relative Atomic Mass = 143.9521097(91)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 145
Relative Atomic Mass = 144.9472674(80)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 146
Relative Atomic Mass = 145.9449935(71)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 147
Relative Atomic Mass = 146.9401423(54)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 148
Relative Atomic Mass = 147.937744(90)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 149
Relative Atomic Mass = 148.933803(16)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 150
Relative Atomic Mass = 149.933498(15)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 151
Relative Atomic Mass = 150.9316983(89)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 152
Relative Atomic Mass = 151.931724(14)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 153
Relative Atomic Mass = 152.9302064(56)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 154
Relative Atomic Mass = 153.9306068(89)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 155
Relative Atomic Mass = 154.929104(19)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 156
Relative Atomic Mass = 155.929706(64)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 157
Relative Atomic Mass = 156.928254(25)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 158
Relative Atomic Mass = 157.928946(29)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 159
Relative Atomic Mass = 158.9277197(36)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 160
Relative Atomic Mass = 159.928737(16)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 161
Relative Atomic Mass = 160.9278615(30)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 162
Relative Atomic Mass = 161.9291023(39)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 163
Relative Atomic Mass = 162.9287410(20)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 164
Relative Atomic Mass = 163.9302403(25)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 165
Relative Atomic Mass = 164.9303288(21)
Isotopic Composition = 1
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 166
Relative Atomic Mass = 165.9322909(21)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 167
Relative Atomic Mass = 166.9331385(59)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 168
Relative Atomic Mass = 167.935522(32)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 169
Relative Atomic Mass = 168.936878(22)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 170
Relative Atomic Mass = 169.939625(54)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 171
Relative Atomic Mass = 170.94147(64)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 172
Relative Atomic Mass = 171.94473(21#)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 173
Relative Atomic Mass = 172.94702(32#)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 174
Relative Atomic Mass = 173.95095(32#)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 175
Relative Atomic Mass = 174.95362(43#)
Isotopic Composition = 
Standard Atomic Weight = 164.93033(2)
Notes =  

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 142
Relative Atomic Mass = 141.97010(54#)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 143
Relative Atomic Mass = 142.96662(43#)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 144
Relative Atomic Mass = 143.96070(21#)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 145
Relative Atomic Mass = 144.95805(21#)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 146
Relative Atomic Mass = 145.9524184(72)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 147
Relative Atomic Mass = 146.949964(41)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 148
Relative Atomic Mass = 147.944735(11)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 149
Relative Atomic Mass = 148.942306(30)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 150
Relative Atomic Mass = 149.937916(18)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 151
Relative Atomic Mass = 150.937449(18)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 152
Relative Atomic Mass = 151.935057(10)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 153
Relative Atomic Mass = 152.935080(10)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 154
Relative Atomic Mass = 153.9327908(55)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 155
Relative Atomic Mass = 154.9332159(67)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 156
Relative Atomic Mass = 155.931067(26)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 157
Relative Atomic Mass = 156.931949(27)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 158
Relative Atomic Mass = 157.929893(27)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 159
Relative Atomic Mass = 158.9306918(42)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 160
Relative Atomic Mass = 159.929077(26)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 161
Relative Atomic Mass = 160.9300046(96)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 162
Relative Atomic Mass = 161.9287884(20)
Isotopic Composition = 0.00139(5)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 163
Relative Atomic Mass = 162.9300408(53)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 164
Relative Atomic Mass = 163.9292088(20)
Isotopic Composition = 0.01601(3)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 165
Relative Atomic Mass = 164.9307345(21)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 166
Relative Atomic Mass = 165.9302995(22)
Isotopic Composition = 0.33503(36)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 167
Relative Atomic Mass = 166.9320546(22)
Isotopic Composition = 0.22869(9)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 168
Relative Atomic Mass = 167.9323767(22)
Isotopic Composition = 0.26978(18)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 169
Relative Atomic Mass = 168.9345968(22)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 170
Relative Atomic Mass = 169.9354702(26)
Isotopic Composition = 0.14910(36)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 171
Relative Atomic Mass = 170.9380357(26)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 172
Relative Atomic Mass = 171.9393619(47)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 173
Relative Atomic Mass = 172.94240(21#)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 174
Relative Atomic Mass = 173.94423(32#)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 175
Relative Atomic Mass = 174.94777(43#)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 176
Relative Atomic Mass = 175.94994(43#)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 177
Relative Atomic Mass = 176.95399(54#)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 144
Relative Atomic Mass = 143.97628(43#)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 145
Relative Atomic Mass = 144.97039(21#)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 146
Relative Atomic Mass = 145.96684(21#)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 147
Relative Atomic Mass = 146.9613799(73)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 148
Relative Atomic Mass = 147.958384(11)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 149
Relative Atomic Mass = 148.95289(32#)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 150
Relative Atomic Mass = 149.95009(21#)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 151
Relative Atomic Mass = 150.945488(21)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 152
Relative Atomic Mass = 151.944422(79)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 153
Relative Atomic Mass = 152.942040(16)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 154
Relative Atomic Mass = 153.941570(15)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 155
Relative Atomic Mass = 154.939210(11)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 156
Relative Atomic Mass = 155.938992(16)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 157
Relative Atomic Mass = 156.936944(28)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 158
Relative Atomic Mass = 157.936980(27)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 159
Relative Atomic Mass = 158.934975(30)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 160
Relative Atomic Mass = 159.935263(37)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 161
Relative Atomic Mass = 160.933549(30)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 162
Relative Atomic Mass = 161.934002(28)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 163
Relative Atomic Mass = 162.9326592(62)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 164
Relative Atomic Mass = 163.933544(26)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 165
Relative Atomic Mass = 164.9324431(26)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 166
Relative Atomic Mass = 165.933561(13)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 167
Relative Atomic Mass = 166.9328562(25)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 168
Relative Atomic Mass = 167.9341774(27)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 169
Relative Atomic Mass = 168.9342179(22)
Isotopic Composition = 1
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 170
Relative Atomic Mass = 169.9358060(22)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 171
Relative Atomic Mass = 170.9364339(24)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 172
Relative Atomic Mass = 171.9384055(62)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 173
Relative Atomic Mass = 172.9396084(53)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 174
Relative Atomic Mass = 173.942173(48)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 175
Relative Atomic Mass = 174.943841(54)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 176
Relative Atomic Mass = 175.94700(11)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 177
Relative Atomic Mass = 176.94904(32#)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 178
Relative Atomic Mass = 177.95264(43#)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 179
Relative Atomic Mass = 178.95534(54#)
Isotopic Composition = 
Standard Atomic Weight = 168.93422(2)
Notes =  

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 148
Relative Atomic Mass = 147.96758(64#)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 149
Relative Atomic Mass = 148.96436(54#)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 150
Relative Atomic Mass = 149.95852(43#)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 151
Relative Atomic Mass = 150.95540(32)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 152
Relative Atomic Mass = 151.95027(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 153
Relative Atomic Mass = 152.94932(21#)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 154
Relative Atomic Mass = 153.946396(19)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 155
Relative Atomic Mass = 154.945783(18)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 156
Relative Atomic Mass = 155.942825(11)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 157
Relative Atomic Mass = 156.942645(12)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 158
Relative Atomic Mass = 157.9398705(86)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 159
Relative Atomic Mass = 158.940055(19)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 160
Relative Atomic Mass = 159.937557(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 161
Relative Atomic Mass = 160.937907(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 162
Relative Atomic Mass = 161.935774(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 163
Relative Atomic Mass = 162.936340(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 164
Relative Atomic Mass = 163.934495(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 165
Relative Atomic Mass = 164.935270(28)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 166
Relative Atomic Mass = 165.9338747(78)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 167
Relative Atomic Mass = 166.9349530(47)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 168
Relative Atomic Mass = 167.9338896(22)
Isotopic Composition = 0.00123(3)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 169
Relative Atomic Mass = 168.9351825(22)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 170
Relative Atomic Mass = 169.9347664(22)
Isotopic Composition = 0.02982(39)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 171
Relative Atomic Mass = 170.9363302(22)
Isotopic Composition = 0.1409(14)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 172
Relative Atomic Mass = 171.9363859(22)
Isotopic Composition = 0.2168(13)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 173
Relative Atomic Mass = 172.9382151(22)
Isotopic Composition = 0.16103(63)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 174
Relative Atomic Mass = 173.9388664(22)
Isotopic Composition = 0.32026(80)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 175
Relative Atomic Mass = 174.9412808(22)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 176
Relative Atomic Mass = 175.9425764(24)
Isotopic Composition = 0.12996(83)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 177
Relative Atomic Mass = 176.9452656(24)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 178
Relative Atomic Mass = 177.946651(11)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 179
Relative Atomic Mass = 178.95004(21#)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 180
Relative Atomic Mass = 179.95212(32#)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 181
Relative Atomic Mass = 180.95589(32#)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 150
Relative Atomic Mass = 149.97355(54#)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 151
Relative Atomic Mass = 150.96768(43#)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 152
Relative Atomic Mass = 151.96412(21#)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 153
Relative Atomic Mass = 152.95875(17)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 154
Relative Atomic Mass = 153.95736(22#)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 155
Relative Atomic Mass = 154.954321(21)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 156
Relative Atomic Mass = 155.953033(79)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 157
Relative Atomic Mass = 156.950127(16)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 158
Relative Atomic Mass = 157.949316(16)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 159
Relative Atomic Mass = 158.946636(40)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 160
Relative Atomic Mass = 159.946033(61)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 161
Relative Atomic Mass = 160.943572(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 162
Relative Atomic Mass = 161.943283(81)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 163
Relative Atomic Mass = 162.941179(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 164
Relative Atomic Mass = 163.941339(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 165
Relative Atomic Mass = 164.939407(28)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 166
Relative Atomic Mass = 165.939859(32)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 167
Relative Atomic Mass = 166.938270(34)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 168
Relative Atomic Mass = 167.938736(42)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 169
Relative Atomic Mass = 168.9376441(39)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 170
Relative Atomic Mass = 169.938478(18)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 171
Relative Atomic Mass = 170.9379170(27)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 172
Relative Atomic Mass = 171.9390891(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 173
Relative Atomic Mass = 172.9389340(23)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 174
Relative Atomic Mass = 173.9403409(23)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 175
Relative Atomic Mass = 174.9407752(20)
Isotopic Composition = 0.97401(13)
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 176
Relative Atomic Mass = 175.9426897(20)
Isotopic Composition = 0.02599(13)
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 177
Relative Atomic Mass = 176.9437615(20)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 178
Relative Atomic Mass = 177.9459580(29)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 179
Relative Atomic Mass = 178.9473309(57)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 180
Relative Atomic Mass = 179.949888(76)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 181
Relative Atomic Mass = 180.95191(17)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 182
Relative Atomic Mass = 181.95504(21#)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 183
Relative Atomic Mass = 182.957363(98)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 184
Relative Atomic Mass = 183.96091(32#)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 185
Relative Atomic Mass = 184.96362(32#)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 153
Relative Atomic Mass = 152.97069(54#)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 154
Relative Atomic Mass = 153.96486(54#)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 155
Relative Atomic Mass = 154.96311(32#)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 156
Relative Atomic Mass = 155.95935(17)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 157
Relative Atomic Mass = 156.95824(21#)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 158
Relative Atomic Mass = 157.954801(19)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 159
Relative Atomic Mass = 158.953996(18)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 160
Relative Atomic Mass = 159.950691(11)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 161
Relative Atomic Mass = 160.950278(24)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 162
Relative Atomic Mass = 161.9472148(97)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 163
Relative Atomic Mass = 162.947113(27)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 164
Relative Atomic Mass = 163.944371(17)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 165
Relative Atomic Mass = 164.944567(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 166
Relative Atomic Mass = 165.942180(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 167
Relative Atomic Mass = 166.942600(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 168
Relative Atomic Mass = 167.940568(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 169
Relative Atomic Mass = 168.941259(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 170
Relative Atomic Mass = 169.939609(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 171
Relative Atomic Mass = 170.940492(31)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 172
Relative Atomic Mass = 171.939450(26)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 173
Relative Atomic Mass = 172.940513(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 174
Relative Atomic Mass = 173.9400461(28)
Isotopic Composition = 0.0016(1)
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 175
Relative Atomic Mass = 174.9415092(29)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 176
Relative Atomic Mass = 175.9414076(22)
Isotopic Composition = 0.0526(7)
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 177
Relative Atomic Mass = 176.9432277(20)
Isotopic Composition = 0.1860(9)
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 178
Relative Atomic Mass = 177.9437058(20)
Isotopic Composition = 0.2728(7)
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 179
Relative Atomic Mass = 178.9458232(20)
Isotopic Composition = 0.1362(2)
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 180
Relative Atomic Mass = 179.9465570(20)
Isotopic Composition = 0.3508(16)
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 181
Relative Atomic Mass = 180.9491083(20)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 182
Relative Atomic Mass = 181.9505612(68)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 183
Relative Atomic Mass = 182.953530(32)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 184
Relative Atomic Mass = 183.955446(43)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 185
Relative Atomic Mass = 184.958862(98)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 186
Relative Atomic Mass = 185.960897(59)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 187
Relative Atomic Mass = 186.96477(32#)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 188
Relative Atomic Mass = 187.96685(32#)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 189
Relative Atomic Mass = 188.97084(32#)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 155
Relative Atomic Mass = 154.97424(54#)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 156
Relative Atomic Mass = 155.97203(32#)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 157
Relative Atomic Mass = 156.96818(17)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 158
Relative Atomic Mass = 157.96654(22#)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 159
Relative Atomic Mass = 158.963023(21)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 160
Relative Atomic Mass = 159.961488(79)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 161
Relative Atomic Mass = 160.958452(27)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 162
Relative Atomic Mass = 161.957294(56)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 163
Relative Atomic Mass = 162.954337(41)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 164
Relative Atomic Mass = 163.953534(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 165
Relative Atomic Mass = 164.950781(15)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 166
Relative Atomic Mass = 165.950512(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 167
Relative Atomic Mass = 166.948093(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 168
Relative Atomic Mass = 167.948047(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 169
Relative Atomic Mass = 168.946011(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 170
Relative Atomic Mass = 169.946175(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 171
Relative Atomic Mass = 170.944476(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 172
Relative Atomic Mass = 171.944895(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 173
Relative Atomic Mass = 172.943750(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 174
Relative Atomic Mass = 173.944454(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 175
Relative Atomic Mass = 174.943737(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 176
Relative Atomic Mass = 175.944857(33)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 177
Relative Atomic Mass = 176.9444795(38)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 178
Relative Atomic Mass = 177.945678(56#)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 179
Relative Atomic Mass = 178.9459366(21)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 180
Relative Atomic Mass = 179.9474648(24)
Isotopic Composition = 0.0001201(32)
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 181
Relative Atomic Mass = 180.9479958(20)
Isotopic Composition = 0.9998799(32)
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 182
Relative Atomic Mass = 181.9501519(20)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 183
Relative Atomic Mass = 182.9513726(20)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 184
Relative Atomic Mass = 183.954008(28)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 185
Relative Atomic Mass = 184.955559(15)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 186
Relative Atomic Mass = 185.958551(64)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 187
Relative Atomic Mass = 186.960386(71)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 188
Relative Atomic Mass = 187.963916(71)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 189
Relative Atomic Mass = 188.96583(32#)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 190
Relative Atomic Mass = 189.96939(21#)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 191
Relative Atomic Mass = 190.97156(32#)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 192
Relative Atomic Mass = 191.97514(43#)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 157
Relative Atomic Mass = 156.97884(43#)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 158
Relative Atomic Mass = 157.97456(54#)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 159
Relative Atomic Mass = 158.97264(32#)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 160
Relative Atomic Mass = 159.96846(17)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 161
Relative Atomic Mass = 160.96720(21#)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 162
Relative Atomic Mass = 161.963499(19)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 163
Relative Atomic Mass = 162.962524(57)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 164
Relative Atomic Mass = 163.958961(11)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 165
Relative Atomic Mass = 164.958281(27)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 166
Relative Atomic Mass = 165.955031(10)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 167
Relative Atomic Mass = 166.954805(20)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 168
Relative Atomic Mass = 167.951806(14)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 169
Relative Atomic Mass = 168.951779(17)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 170
Relative Atomic Mass = 169.949232(14)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 171
Relative Atomic Mass = 170.949451(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 172
Relative Atomic Mass = 171.947292(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 173
Relative Atomic Mass = 172.947689(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 174
Relative Atomic Mass = 173.946079(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 175
Relative Atomic Mass = 174.946717(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 176
Relative Atomic Mass = 175.945634(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 177
Relative Atomic Mass = 176.946643(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 178
Relative Atomic Mass = 177.945883(16)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 179
Relative Atomic Mass = 178.947077(16)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 180
Relative Atomic Mass = 179.9467108(20)
Isotopic Composition = 0.0012(1)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 181
Relative Atomic Mass = 180.9481978(51)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 182
Relative Atomic Mass = 181.94820394(91)
Isotopic Composition = 0.2650(16)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 183
Relative Atomic Mass = 182.95022275(90)
Isotopic Composition = 0.1431(4)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 184
Relative Atomic Mass = 183.95093092(94)
Isotopic Composition = 0.3064(2)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 185
Relative Atomic Mass = 184.95341897(99)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 186
Relative Atomic Mass = 185.9543628(17)
Isotopic Composition = 0.2843(19)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 187
Relative Atomic Mass = 186.9571588(17)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 188
Relative Atomic Mass = 187.9584862(36)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 189
Relative Atomic Mass = 188.961763(44)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 190
Relative Atomic Mass = 189.963091(42)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 191
Relative Atomic Mass = 190.966531(48)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 192
Relative Atomic Mass = 191.96817(21#)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 193
Relative Atomic Mass = 192.97178(21#)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 194
Relative Atomic Mass = 193.97367(32#)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 159
Relative Atomic Mass = 158.98418(54#)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 160
Relative Atomic Mass = 159.98182(32#)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 161
Relative Atomic Mass = 160.97757(17)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 162
Relative Atomic Mass = 161.97584(22#)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 163
Relative Atomic Mass = 162.972080(20)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 164
Relative Atomic Mass = 163.970453(79)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 165
Relative Atomic Mass = 164.967103(27)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 166
Relative Atomic Mass = 165.965761(78)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 167
Relative Atomic Mass = 166.962595(44#)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 168
Relative Atomic Mass = 167.961573(33)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 169
Relative Atomic Mass = 168.958766(12)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 170
Relative Atomic Mass = 169.958220(28)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 171
Relative Atomic Mass = 170.955716(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 172
Relative Atomic Mass = 171.955420(42)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 173
Relative Atomic Mass = 172.953243(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 174
Relative Atomic Mass = 173.953115(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 175
Relative Atomic Mass = 174.951381(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 176
Relative Atomic Mass = 175.951623(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 177
Relative Atomic Mass = 176.950328(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 178
Relative Atomic Mass = 177.950989(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 179
Relative Atomic Mass = 178.949989(26)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 180
Relative Atomic Mass = 179.950792(23)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 181
Relative Atomic Mass = 180.950058(14)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 182
Relative Atomic Mass = 181.95121(11)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 183
Relative Atomic Mass = 182.9508196(86)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 184
Relative Atomic Mass = 183.9525228(47)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 185
Relative Atomic Mass = 184.9529545(13)
Isotopic Composition = 0.3740(2)
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 186
Relative Atomic Mass = 185.9549856(13)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 187
Relative Atomic Mass = 186.9557501(16)
Isotopic Composition = 0.6260(2)
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 188
Relative Atomic Mass = 187.9581115(16)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 189
Relative Atomic Mass = 188.9592260(89)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 190
Relative Atomic Mass = 189.961744(76)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 191
Relative Atomic Mass = 190.963122(11)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 192
Relative Atomic Mass = 191.966088(82)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 193
Relative Atomic Mass = 192.967541(41)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 194
Relative Atomic Mass = 193.97076(21#)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 195
Relative Atomic Mass = 194.97254(32#)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 196
Relative Atomic Mass = 195.97580(32#)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 197
Relative Atomic Mass = 196.97799(32#)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 198
Relative Atomic Mass = 197.98160(43#)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 161
Relative Atomic Mass = 160.98903(43#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 162
Relative Atomic Mass = 161.98443(54#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 163
Relative Atomic Mass = 162.98241(32#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 164
Relative Atomic Mass = 163.97802(17)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 165
Relative Atomic Mass = 164.97660(22#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 166
Relative Atomic Mass = 165.972692(20)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 167
Relative Atomic Mass = 166.971549(78)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 168
Relative Atomic Mass = 167.967808(12)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 169
Relative Atomic Mass = 168.967018(27)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 170
Relative Atomic Mass = 169.963578(11)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 171
Relative Atomic Mass = 170.963174(19)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 172
Relative Atomic Mass = 171.960017(14)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 173
Relative Atomic Mass = 172.959808(16)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 174
Relative Atomic Mass = 173.957064(11)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 175
Relative Atomic Mass = 174.956945(13)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 176
Relative Atomic Mass = 175.954806(30)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 177
Relative Atomic Mass = 176.954966(17)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 178
Relative Atomic Mass = 177.953254(15)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 179
Relative Atomic Mass = 178.953817(18)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 180
Relative Atomic Mass = 179.952375(17)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 181
Relative Atomic Mass = 180.953247(27)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 182
Relative Atomic Mass = 181.952110(23)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 183
Relative Atomic Mass = 182.953125(53)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 184
Relative Atomic Mass = 183.9524885(14)
Isotopic Composition = 0.0002(1)
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 185
Relative Atomic Mass = 184.9540417(14)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 186
Relative Atomic Mass = 185.9538350(16)
Isotopic Composition = 0.0159(3)
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 187
Relative Atomic Mass = 186.9557474(16)
Isotopic Composition = 0.0196(2)
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 188
Relative Atomic Mass = 187.9558352(16)
Isotopic Composition = 0.1324(8)
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 189
Relative Atomic Mass = 188.9581442(17)
Isotopic Composition = 0.1615(5)
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 190
Relative Atomic Mass = 189.9584437(17)
Isotopic Composition = 0.2626(2)
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 191
Relative Atomic Mass = 190.9609264(17)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 192
Relative Atomic Mass = 191.9614770(29)
Isotopic Composition = 0.4078(19)
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 193
Relative Atomic Mass = 192.9641479(29)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 194
Relative Atomic Mass = 193.9651772(30)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 195
Relative Atomic Mass = 194.968318(65)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 196
Relative Atomic Mass = 195.969641(43)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 197
Relative Atomic Mass = 196.97283(21#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 198
Relative Atomic Mass = 197.97441(21#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 199
Relative Atomic Mass = 198.97801(21#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 200
Relative Atomic Mass = 199.97984(32#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 201
Relative Atomic Mass = 200.98364(32#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 202
Relative Atomic Mass = 201.98595(43#)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 164
Relative Atomic Mass = 163.99191(34#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 165
Relative Atomic Mass = 164.98750(18#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 166
Relative Atomic Mass = 165.98566(22#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 167
Relative Atomic Mass = 166.981666(20)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 168
Relative Atomic Mass = 167.979907(80)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 169
Relative Atomic Mass = 168.976298(27)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 170
Relative Atomic Mass = 169.974922(95#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 171
Relative Atomic Mass = 170.971640(42)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 172
Relative Atomic Mass = 171.970607(35)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 173
Relative Atomic Mass = 172.967506(12)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 174
Relative Atomic Mass = 173.966861(30)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 175
Relative Atomic Mass = 174.964150(13)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 176
Relative Atomic Mass = 175.963650(22)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 177
Relative Atomic Mass = 176.961301(21)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 178
Relative Atomic Mass = 177.961082(21)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 179
Relative Atomic Mass = 178.959120(10)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 180
Relative Atomic Mass = 179.959229(23)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 181
Relative Atomic Mass = 180.957625(28)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 182
Relative Atomic Mass = 181.958076(23)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 183
Relative Atomic Mass = 182.956840(26)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 184
Relative Atomic Mass = 183.957476(30)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 185
Relative Atomic Mass = 184.956698(30)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 186
Relative Atomic Mass = 185.957944(18)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 187
Relative Atomic Mass = 186.957542(30)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 188
Relative Atomic Mass = 187.958828(10)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 189
Relative Atomic Mass = 188.958715(14)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 190
Relative Atomic Mass = 189.9605412(21)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 191
Relative Atomic Mass = 190.9605893(21)
Isotopic Composition = 0.373(2)
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 192
Relative Atomic Mass = 191.9626002(21)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 193
Relative Atomic Mass = 192.9629216(21)
Isotopic Composition = 0.627(2)
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 194
Relative Atomic Mass = 193.9650735(21)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 195
Relative Atomic Mass = 194.9659747(21)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 196
Relative Atomic Mass = 195.968397(41)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 197
Relative Atomic Mass = 196.969655(22)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 198
Relative Atomic Mass = 197.97228(21#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 199
Relative Atomic Mass = 198.973805(44)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 200
Relative Atomic Mass = 199.97680(21#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 201
Relative Atomic Mass = 200.97864(21#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 202
Relative Atomic Mass = 201.98199(32#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 203
Relative Atomic Mass = 202.98423(43#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 204
Relative Atomic Mass = 203.98960(43#)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 166
Relative Atomic Mass = 165.99486(54#)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 167
Relative Atomic Mass = 166.99269(33#)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 168
Relative Atomic Mass = 167.98813(17)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 169
Relative Atomic Mass = 168.98657(22#)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 170
Relative Atomic Mass = 169.982496(20)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 171
Relative Atomic Mass = 170.981245(78)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 172
Relative Atomic Mass = 171.977351(12)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 173
Relative Atomic Mass = 172.976443(60)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 174
Relative Atomic Mass = 173.972820(11)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 175
Relative Atomic Mass = 174.972410(19)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 176
Relative Atomic Mass = 175.968938(14)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 177
Relative Atomic Mass = 176.968470(16)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 178
Relative Atomic Mass = 177.965650(11)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 179
Relative Atomic Mass = 178.9653590(86)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 180
Relative Atomic Mass = 179.963032(12)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 181
Relative Atomic Mass = 180.963098(16)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 182
Relative Atomic Mass = 181.961172(14)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 183
Relative Atomic Mass = 182.961597(17)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 184
Relative Atomic Mass = 183.959915(17)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 185
Relative Atomic Mass = 184.960614(28)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 186
Relative Atomic Mass = 185.959351(23)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 187
Relative Atomic Mass = 186.960617(26)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 188
Relative Atomic Mass = 187.9593889(61)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 189
Relative Atomic Mass = 188.960831(12)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 190
Relative Atomic Mass = 189.9599297(63)
Isotopic Composition = 0.00012(2)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 191
Relative Atomic Mass = 190.9616729(53)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 192
Relative Atomic Mass = 191.9610387(32)
Isotopic Composition = 0.00782(24)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 193
Relative Atomic Mass = 192.9629824(21)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 194
Relative Atomic Mass = 193.9626809(10)
Isotopic Composition = 0.3286(40)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 195
Relative Atomic Mass = 194.9647917(10)
Isotopic Composition = 0.3378(24)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 196
Relative Atomic Mass = 195.96495209(99)
Isotopic Composition = 0.2521(34)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 197
Relative Atomic Mass = 196.96734069(94)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 198
Relative Atomic Mass = 197.9678949(23)
Isotopic Composition = 0.07356(130)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 199
Relative Atomic Mass = 198.9705952(24)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 200
Relative Atomic Mass = 199.971443(22)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 201
Relative Atomic Mass = 200.974513(54)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 202
Relative Atomic Mass = 201.975639(27)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 203
Relative Atomic Mass = 202.97893(21#)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 204
Relative Atomic Mass = 203.98076(21#)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 205
Relative Atomic Mass = 204.98608(32#)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 206
Relative Atomic Mass = 205.98966(32#)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 169
Relative Atomic Mass = 168.99808(32#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 170
Relative Atomic Mass = 169.99597(22#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 171
Relative Atomic Mass = 170.991876(22)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 172
Relative Atomic Mass = 171.989942(81)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 173
Relative Atomic Mass = 172.986241(26)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 174
Relative Atomic Mass = 173.984717(95#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 175
Relative Atomic Mass = 174.981304(42)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 176
Relative Atomic Mass = 175.980250(36)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 177
Relative Atomic Mass = 176.976870(11)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 178
Relative Atomic Mass = 177.976032(61)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 179
Relative Atomic Mass = 178.973174(13)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 180
Relative Atomic Mass = 179.972523(21)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 181
Relative Atomic Mass = 180.970079(21)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 182
Relative Atomic Mass = 181.969618(22)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 183
Relative Atomic Mass = 182.967591(10)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 184
Relative Atomic Mass = 183.967452(24)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 185
Relative Atomic Mass = 184.965790(28)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 186
Relative Atomic Mass = 185.965953(23)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 187
Relative Atomic Mass = 186.964543(24)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 188
Relative Atomic Mass = 187.965349(17)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 189
Relative Atomic Mass = 188.963948(22)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 190
Relative Atomic Mass = 189.964698(17)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 191
Relative Atomic Mass = 190.963702(40)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 192
Relative Atomic Mass = 191.964814(17)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 193
Relative Atomic Mass = 192.9641373(93)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 194
Relative Atomic Mass = 193.9654178(23)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 195
Relative Atomic Mass = 194.9650352(15)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 196
Relative Atomic Mass = 195.9665699(32)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 197
Relative Atomic Mass = 196.96656879(71)
Isotopic Composition = 1
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 198
Relative Atomic Mass = 197.96824242(70)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 199
Relative Atomic Mass = 198.96876528(70)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 200
Relative Atomic Mass = 199.970756(29)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 201
Relative Atomic Mass = 200.9716575(34)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 202
Relative Atomic Mass = 201.973856(25)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 203
Relative Atomic Mass = 202.9751544(33)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 204
Relative Atomic Mass = 203.97783(22#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 205
Relative Atomic Mass = 204.97985(21#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 206
Relative Atomic Mass = 205.98474(32#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 207
Relative Atomic Mass = 206.98840(32#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 208
Relative Atomic Mass = 207.99345(32#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 209
Relative Atomic Mass = 208.99735(43#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 210
Relative Atomic Mass = 210.00250(43#)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(5)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 171
Relative Atomic Mass = 171.00353(33#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 172
Relative Atomic Mass = 171.99881(17)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 173
Relative Atomic Mass = 172.99709(22#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 174
Relative Atomic Mass = 173.992865(21)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 175
Relative Atomic Mass = 174.991441(78)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 176
Relative Atomic Mass = 175.987361(14)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 177
Relative Atomic Mass = 176.986277(81)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 178
Relative Atomic Mass = 177.982484(12)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 179
Relative Atomic Mass = 178.981831(29)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 180
Relative Atomic Mass = 179.978260(14)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 181
Relative Atomic Mass = 180.977819(17)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 182
Relative Atomic Mass = 181.974689(11)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 183
Relative Atomic Mass = 182.9744448(76)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 184
Relative Atomic Mass = 183.971714(11)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 185
Relative Atomic Mass = 184.971899(17)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 186
Relative Atomic Mass = 185.969362(13)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 187
Relative Atomic Mass = 186.969814(15)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 188
Relative Atomic Mass = 187.967567(12)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 189
Relative Atomic Mass = 188.968195(34)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 190
Relative Atomic Mass = 189.966323(17)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 191
Relative Atomic Mass = 190.967157(24)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 192
Relative Atomic Mass = 191.965635(17)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 193
Relative Atomic Mass = 192.966653(17)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 194
Relative Atomic Mass = 193.9654491(31)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 195
Relative Atomic Mass = 194.966721(25)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 196
Relative Atomic Mass = 195.9658326(32)
Isotopic Composition = 0.0015(1)
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 197
Relative Atomic Mass = 196.9672128(35)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 198
Relative Atomic Mass = 197.96676860(52)
Isotopic Composition = 0.0997(20)
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 199
Relative Atomic Mass = 198.96828064(46)
Isotopic Composition = 0.1687(22)
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 200
Relative Atomic Mass = 199.96832659(47)
Isotopic Composition = 0.2310(19)
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 201
Relative Atomic Mass = 200.97030284(69)
Isotopic Composition = 0.1318(9)
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 202
Relative Atomic Mass = 201.97064340(69)
Isotopic Composition = 0.2986(26)
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 203
Relative Atomic Mass = 202.9728728(18)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 204
Relative Atomic Mass = 203.97349398(53)
Isotopic Composition = 0.0687(15)
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 205
Relative Atomic Mass = 204.9760734(39)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 206
Relative Atomic Mass = 205.977514(22)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 207
Relative Atomic Mass = 206.982300(32)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 208
Relative Atomic Mass = 207.985759(33)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 209
Relative Atomic Mass = 208.99072(16#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 210
Relative Atomic Mass = 209.99424(21#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 211
Relative Atomic Mass = 210.99933(21#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 212
Relative Atomic Mass = 212.00296(32#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 213
Relative Atomic Mass = 213.00823(32#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 214
Relative Atomic Mass = 214.01200(43#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 215
Relative Atomic Mass = 215.01740(43#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 216
Relative Atomic Mass = 216.02132(43#)
Isotopic Composition = 
Standard Atomic Weight = 200.592(3)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 176
Relative Atomic Mass = 176.000624(81)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 177
Relative Atomic Mass = 176.996431(25)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 178
Relative Atomic Mass = 177.99485(11#)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 179
Relative Atomic Mass = 178.991111(43)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 180
Relative Atomic Mass = 179.990057(64)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 181
Relative Atomic Mass = 180.9862600(98)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 182
Relative Atomic Mass = 181.985713(63)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 183
Relative Atomic Mass = 182.982193(10)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 184
Relative Atomic Mass = 183.981886(22)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 185
Relative Atomic Mass = 184.978789(22)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 186
Relative Atomic Mass = 185.978651(24)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 187
Relative Atomic Mass = 186.9759063(88)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 188
Relative Atomic Mass = 187.976021(32)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 189
Relative Atomic Mass = 188.973588(12)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 190
Relative Atomic Mass = 189.973828(54#)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 191
Relative Atomic Mass = 190.9717842(79)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 192
Relative Atomic Mass = 191.972225(34)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 193
Relative Atomic Mass = 192.9705020(72)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 194
Relative Atomic Mass = 193.971081(15)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 195
Relative Atomic Mass = 194.969774(12)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 196
Relative Atomic Mass = 195.970481(13)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 197
Relative Atomic Mass = 196.969576(18)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 198
Relative Atomic Mass = 197.970483(86)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 199
Relative Atomic Mass = 198.969877(30)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 200
Relative Atomic Mass = 199.9709633(62)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 201
Relative Atomic Mass = 200.970822(15)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 202
Relative Atomic Mass = 201.972102(15)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 203
Relative Atomic Mass = 202.9723446(14)
Isotopic Composition = 0.2952(1)
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 204
Relative Atomic Mass = 203.9738639(13)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 205
Relative Atomic Mass = 204.9744278(14)
Isotopic Composition = 0.7048(1)
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 206
Relative Atomic Mass = 205.9761106(15)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 207
Relative Atomic Mass = 206.9774197(59)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 208
Relative Atomic Mass = 207.9820190(21)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 209
Relative Atomic Mass = 208.9853594(86)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 210
Relative Atomic Mass = 209.990074(12)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 211
Relative Atomic Mass = 210.993475(45)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 212
Relative Atomic Mass = 211.99834(22#)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 213
Relative Atomic Mass = 213.001915(29)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 214
Relative Atomic Mass = 214.00694(21#)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 215
Relative Atomic Mass = 215.01064(32#)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 216
Relative Atomic Mass = 216.01580(32#)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 217
Relative Atomic Mass = 217.01966(43#)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 218
Relative Atomic Mass = 218.02479(43#)
Isotopic Composition = 
Standard Atomic Weight = [204.382,204.385]
Notes =  

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 178
Relative Atomic Mass = 178.003831(26)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 179
Relative Atomic Mass = 179.002201(81)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 180
Relative Atomic Mass = 179.997928(15)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 181
Relative Atomic Mass = 180.996653(81)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 182
Relative Atomic Mass = 181.992672(13)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 183
Relative Atomic Mass = 182.991872(30)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 184
Relative Atomic Mass = 183.988136(14)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 185
Relative Atomic Mass = 184.987610(17)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 186
Relative Atomic Mass = 185.984238(12)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 187
Relative Atomic Mass = 186.9839109(55)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 188
Relative Atomic Mass = 187.980875(11)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 189
Relative Atomic Mass = 188.980807(37)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 190
Relative Atomic Mass = 189.978082(13)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 191
Relative Atomic Mass = 190.978276(41)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 192
Relative Atomic Mass = 191.975775(13)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 193
Relative Atomic Mass = 192.976173(53)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 194
Relative Atomic Mass = 193.974012(19)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 195
Relative Atomic Mass = 194.974543(25)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 196
Relative Atomic Mass = 195.972774(15)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 197
Relative Atomic Mass = 196.9734312(60)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 198
Relative Atomic Mass = 197.972034(16)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 199
Relative Atomic Mass = 198.972913(11)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 200
Relative Atomic Mass = 199.971819(12)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 201
Relative Atomic Mass = 200.972883(23)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 202
Relative Atomic Mass = 201.9721520(40)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 203
Relative Atomic Mass = 202.9733911(71)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 204
Relative Atomic Mass = 203.9730440(13)
Isotopic Composition = 0.014(1)
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 205
Relative Atomic Mass = 204.9744822(13)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 206
Relative Atomic Mass = 205.9744657(13)
Isotopic Composition = 0.241(1)
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 207
Relative Atomic Mass = 206.9758973(13)
Isotopic Composition = 0.221(1)
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 208
Relative Atomic Mass = 207.9766525(13)
Isotopic Composition = 0.524(1)
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 209
Relative Atomic Mass = 208.9810905(19)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 210
Relative Atomic Mass = 209.9841889(16)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 211
Relative Atomic Mass = 210.9887371(28)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 212
Relative Atomic Mass = 211.9918977(23)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 213
Relative Atomic Mass = 212.9965629(72)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 214
Relative Atomic Mass = 213.9998059(25)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 215
Relative Atomic Mass = 215.00474(11#)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 216
Relative Atomic Mass = 216.00803(21#)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 217
Relative Atomic Mass = 217.01314(32#)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 218
Relative Atomic Mass = 218.01659(32#)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 219
Relative Atomic Mass = 219.02177(43#)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 220
Relative Atomic Mass = 220.02541(43#)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 184
Relative Atomic Mass = 184.001275(84)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 185
Relative Atomic Mass = 184.997600(87#)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 186
Relative Atomic Mass = 185.996644(65)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 187
Relative Atomic Mass = 186.993147(11)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 188
Relative Atomic Mass = 187.992287(22)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 189
Relative Atomic Mass = 188.989195(22)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 190
Relative Atomic Mass = 189.988622(24)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 191
Relative Atomic Mass = 190.9857866(80)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 192
Relative Atomic Mass = 191.985469(33)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 193
Relative Atomic Mass = 192.982960(10)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 194
Relative Atomic Mass = 193.982785(54#)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 195
Relative Atomic Mass = 194.9806488(57)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 196
Relative Atomic Mass = 195.980667(26)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 197
Relative Atomic Mass = 196.9788651(89)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 198
Relative Atomic Mass = 197.979206(30)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 199
Relative Atomic Mass = 198.977673(11)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 200
Relative Atomic Mass = 199.978131(24)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 201
Relative Atomic Mass = 200.977010(16)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 202
Relative Atomic Mass = 201.977734(17)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 203
Relative Atomic Mass = 202.976893(14)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 204
Relative Atomic Mass = 203.9778361(99)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 205
Relative Atomic Mass = 204.9773867(55)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 206
Relative Atomic Mass = 205.9784993(82)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 207
Relative Atomic Mass = 206.9784710(26)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 208
Relative Atomic Mass = 207.9797425(25)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 209
Relative Atomic Mass = 208.9803991(16)
Isotopic Composition = 1
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 210
Relative Atomic Mass = 209.9841207(16)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 211
Relative Atomic Mass = 210.9872697(59)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 212
Relative Atomic Mass = 211.9912860(21)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 213
Relative Atomic Mass = 212.9943851(56)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 214
Relative Atomic Mass = 213.998712(12)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 215
Relative Atomic Mass = 215.001770(16)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 216
Relative Atomic Mass = 216.006306(12)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 217
Relative Atomic Mass = 217.009372(19)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 218
Relative Atomic Mass = 218.014188(29)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 219
Relative Atomic Mass = 219.01748(21#)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 220
Relative Atomic Mass = 220.02235(32#)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 221
Relative Atomic Mass = 221.02587(32#)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 222
Relative Atomic Mass = 222.03078(32#)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 223
Relative Atomic Mass = 223.03450(43#)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 224
Relative Atomic Mass = 224.03947(43#)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 186
Relative Atomic Mass = 186.004393(35)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 187
Relative Atomic Mass = 187.003041(34)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 188
Relative Atomic Mass = 187.999416(21)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 189
Relative Atomic Mass = 188.998473(24)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 190
Relative Atomic Mass = 189.995101(14)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 191
Relative Atomic Mass = 190.9945585(76)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 192
Relative Atomic Mass = 191.991336(12)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 193
Relative Atomic Mass = 192.991026(37)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 194
Relative Atomic Mass = 193.988186(14)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 195
Relative Atomic Mass = 194.988126(41)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 196
Relative Atomic Mass = 195.985526(14)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 197
Relative Atomic Mass = 196.985660(53)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 198
Relative Atomic Mass = 197.983389(19)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 199
Relative Atomic Mass = 198.983667(25)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 200
Relative Atomic Mass = 199.981799(15)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 201
Relative Atomic Mass = 200.9822598(63)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 202
Relative Atomic Mass = 201.980758(16)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 203
Relative Atomic Mass = 202.9814161(93)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 204
Relative Atomic Mass = 203.980310(12)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 205
Relative Atomic Mass = 204.981203(22)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 206
Relative Atomic Mass = 205.9804740(43)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 207
Relative Atomic Mass = 206.9815938(72)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 208
Relative Atomic Mass = 207.9812461(19)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 209
Relative Atomic Mass = 208.9824308(20)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 210
Relative Atomic Mass = 209.9828741(13)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 211
Relative Atomic Mass = 210.9866536(14)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 212
Relative Atomic Mass = 211.9888684(13)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 213
Relative Atomic Mass = 212.9928576(33)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 214
Relative Atomic Mass = 213.9952017(16)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 215
Relative Atomic Mass = 214.9994201(27)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 216
Relative Atomic Mass = 216.0019152(23)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 217
Relative Atomic Mass = 217.0063182(67)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 218
Relative Atomic Mass = 218.0089735(25)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 219
Relative Atomic Mass = 219.013614(17)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 220
Relative Atomic Mass = 220.016386(19)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 221
Relative Atomic Mass = 221.021228(21)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 222
Relative Atomic Mass = 222.024140(43)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 223
Relative Atomic Mass = 223.02907(21#)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 224
Relative Atomic Mass = 224.03211(21#)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 225
Relative Atomic Mass = 225.03707(32#)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 226
Relative Atomic Mass = 226.04031(43#)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 227
Relative Atomic Mass = 227.04539(43#)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 191
Relative Atomic Mass = 191.004148(17)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 192
Relative Atomic Mass = 192.003152(35)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 193
Relative Atomic Mass = 192.999927(23)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 194
Relative Atomic Mass = 193.999236(29)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 195
Relative Atomic Mass = 194.9962685(98)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 196
Relative Atomic Mass = 195.995800(33)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 197
Relative Atomic Mass = 196.993189(55)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 198
Relative Atomic Mass = 197.992784(54#)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 199
Relative Atomic Mass = 198.9905277(58)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 200
Relative Atomic Mass = 199.990351(26)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 201
Relative Atomic Mass = 200.9884171(88)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 202
Relative Atomic Mass = 201.988630(30)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 203
Relative Atomic Mass = 202.986943(11)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 204
Relative Atomic Mass = 203.987251(24)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 205
Relative Atomic Mass = 204.986076(16)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 206
Relative Atomic Mass = 205.986657(16)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 207
Relative Atomic Mass = 206.985800(13)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 208
Relative Atomic Mass = 207.9866133(96)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 209
Relative Atomic Mass = 208.9861702(55)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 210
Relative Atomic Mass = 209.9871479(83)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 211
Relative Atomic Mass = 210.9874966(30)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 212
Relative Atomic Mass = 211.9907377(26)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 213
Relative Atomic Mass = 212.9929370(53)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 214
Relative Atomic Mass = 213.9963721(46)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 215
Relative Atomic Mass = 214.9986528(73)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 216
Relative Atomic Mass = 216.0024236(39)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 217
Relative Atomic Mass = 217.0047192(55)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 218
Relative Atomic Mass = 218.008695(12)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 219
Relative Atomic Mass = 219.0111618(42)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 220
Relative Atomic Mass = 220.015433(15)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 221
Relative Atomic Mass = 221.018017(15)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 222
Relative Atomic Mass = 222.022494(17)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 223
Relative Atomic Mass = 223.025151(15)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 224
Relative Atomic Mass = 224.029749(24)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 225
Relative Atomic Mass = 225.03263(32#)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 226
Relative Atomic Mass = 226.03716(32#)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 227
Relative Atomic Mass = 227.04024(32#)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 228
Relative Atomic Mass = 228.04475(43#)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 229
Relative Atomic Mass = 229.04812(43#)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 193
Relative Atomic Mass = 193.009708(27)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 194
Relative Atomic Mass = 194.006144(18)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 195
Relative Atomic Mass = 195.005422(54)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 196
Relative Atomic Mass = 196.002116(15)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 197
Relative Atomic Mass = 197.001585(38)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 198
Relative Atomic Mass = 197.998679(14)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 199
Relative Atomic Mass = 198.998390(68)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 200
Relative Atomic Mass = 199.995690(14)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 201
Relative Atomic Mass = 200.995628(53)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 202
Relative Atomic Mass = 201.993264(19)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 203
Relative Atomic Mass = 202.993388(25)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 204
Relative Atomic Mass = 203.991430(16)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 205
Relative Atomic Mass = 204.991719(54)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 206
Relative Atomic Mass = 205.990214(16)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 207
Relative Atomic Mass = 206.9907303(91)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 208
Relative Atomic Mass = 207.989635(12)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 209
Relative Atomic Mass = 208.990415(22)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 210
Relative Atomic Mass = 209.9896891(49)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 211
Relative Atomic Mass = 210.9906011(73)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 212
Relative Atomic Mass = 211.9907039(34)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 213
Relative Atomic Mass = 212.9938831(61)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 214
Relative Atomic Mass = 213.9953630(99)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 215
Relative Atomic Mass = 214.9987459(83)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 216
Relative Atomic Mass = 216.0002719(65)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 217
Relative Atomic Mass = 217.0039280(45)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 218
Relative Atomic Mass = 218.0056016(25)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 219
Relative Atomic Mass = 219.0094804(27)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 220
Relative Atomic Mass = 220.0113941(23)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 221
Relative Atomic Mass = 221.0155371(63)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 222
Relative Atomic Mass = 222.0175782(25)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 223
Relative Atomic Mass = 223.0218893(84)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 224
Relative Atomic Mass = 224.024096(11)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 225
Relative Atomic Mass = 225.028486(12)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 226
Relative Atomic Mass = 226.030861(11)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 227
Relative Atomic Mass = 227.035304(15)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 228
Relative Atomic Mass = 228.037835(19)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 229
Relative Atomic Mass = 229.042257(14)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 230
Relative Atomic Mass = 230.04514(21#)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 231
Relative Atomic Mass = 231.04987(32#)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 199
Relative Atomic Mass = 199.007259(45)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 200
Relative Atomic Mass = 200.006586(63)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 201
Relative Atomic Mass = 201.003867(77)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 202
Relative Atomic Mass = 202.003320(55#)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 203
Relative Atomic Mass = 203.0009407(67)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 204
Relative Atomic Mass = 204.000652(26)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 205
Relative Atomic Mass = 204.9985939(84)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 206
Relative Atomic Mass = 205.998666(30)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 207
Relative Atomic Mass = 206.996946(19)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 208
Relative Atomic Mass = 207.997138(12)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 209
Relative Atomic Mass = 208.995955(16)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 210
Relative Atomic Mass = 209.996422(16)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 211
Relative Atomic Mass = 210.995556(13)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 212
Relative Atomic Mass = 211.9962257(94)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 213
Relative Atomic Mass = 212.9961860(55)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 214
Relative Atomic Mass = 213.9989713(93)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 215
Relative Atomic Mass = 215.0003418(76)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 216
Relative Atomic Mass = 216.0031899(45)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 217
Relative Atomic Mass = 217.0046323(70)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 218
Relative Atomic Mass = 218.0075787(51)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 219
Relative Atomic Mass = 219.0092524(76)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 220
Relative Atomic Mass = 220.0123277(44)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 221
Relative Atomic Mass = 221.0142552(54)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 222
Relative Atomic Mass = 222.017552(23)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 223
Relative Atomic Mass = 223.0197360(25)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 224
Relative Atomic Mass = 224.023398(14)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 225
Relative Atomic Mass = 225.025573(13)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 226
Relative Atomic Mass = 226.029566(13)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 227
Relative Atomic Mass = 227.031869(14)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 228
Relative Atomic Mass = 228.035823(14)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 229
Relative Atomic Mass = 229.038298(15)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 230
Relative Atomic Mass = 230.042416(17)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 231
Relative Atomic Mass = 231.045158(27)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 232
Relative Atomic Mass = 232.04937(17#)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 233
Relative Atomic Mass = 233.05264(32#)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 201
Relative Atomic Mass = 201.01271(11#)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 202
Relative Atomic Mass = 202.009760(26)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 203
Relative Atomic Mass = 203.009304(86)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 204
Relative Atomic Mass = 204.006492(16)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 205
Relative Atomic Mass = 205.006268(76)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 206
Relative Atomic Mass = 206.003828(19)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 207
Relative Atomic Mass = 207.003799(59)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 208
Relative Atomic Mass = 208.001841(17)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 209
Relative Atomic Mass = 209.001990(54)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 210
Relative Atomic Mass = 210.000494(16)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 211
Relative Atomic Mass = 211.0008932(85)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 212
Relative Atomic Mass = 211.999787(12)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 213
Relative Atomic Mass = 213.000384(22)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 214
Relative Atomic Mass = 214.0000997(56)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 215
Relative Atomic Mass = 215.0027204(82)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 216
Relative Atomic Mass = 216.0035334(94)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 217
Relative Atomic Mass = 217.0063207(92)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 218
Relative Atomic Mass = 218.007141(12)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 219
Relative Atomic Mass = 219.0100855(89)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 220
Relative Atomic Mass = 220.0110259(89)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 221
Relative Atomic Mass = 221.0139177(50)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 222
Relative Atomic Mass = 222.0153748(49)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 223
Relative Atomic Mass = 223.0185023(27)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 224
Relative Atomic Mass = 224.0202120(23)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 225
Relative Atomic Mass = 225.0236119(32)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 226
Relative Atomic Mass = 226.0254103(25)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 227
Relative Atomic Mass = 227.0291783(25)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 228
Relative Atomic Mass = 228.0310707(26)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 229
Relative Atomic Mass = 229.034942(16)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 230
Relative Atomic Mass = 230.037055(11)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 231
Relative Atomic Mass = 231.041027(12)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 232
Relative Atomic Mass = 232.0434753(98)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 233
Relative Atomic Mass = 233.047582(17)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 234
Relative Atomic Mass = 234.050342(33)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 235
Relative Atomic Mass = 235.05497(32#)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 206
Relative Atomic Mass = 206.014452(77#)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 207
Relative Atomic Mass = 207.011966(54)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 208
Relative Atomic Mass = 208.011550(60)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 209
Relative Atomic Mass = 209.009495(54)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 210
Relative Atomic Mass = 210.009436(62)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 211
Relative Atomic Mass = 211.007732(57)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 212
Relative Atomic Mass = 212.007813(55)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 213
Relative Atomic Mass = 213.006609(56)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 214
Relative Atomic Mass = 214.006918(16)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 215
Relative Atomic Mass = 215.006475(13)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 216
Relative Atomic Mass = 216.008743(12)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 217
Relative Atomic Mass = 217.009344(12)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 218
Relative Atomic Mass = 218.011642(54)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 219
Relative Atomic Mass = 219.012421(54)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 220
Relative Atomic Mass = 220.0147549(66)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 221
Relative Atomic Mass = 221.015592(54)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 222
Relative Atomic Mass = 222.0178442(56)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 223
Relative Atomic Mass = 223.0191377(77)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 224
Relative Atomic Mass = 224.0217232(45)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 225
Relative Atomic Mass = 225.0232300(53)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 226
Relative Atomic Mass = 226.0260984(36)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 227
Relative Atomic Mass = 227.0277523(25)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 228
Relative Atomic Mass = 228.0310215(27)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 229
Relative Atomic Mass = 229.032956(13)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 230
Relative Atomic Mass = 230.036327(17)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 231
Relative Atomic Mass = 231.038393(14)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 232
Relative Atomic Mass = 232.042034(14)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 233
Relative Atomic Mass = 233.044346(14)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 234
Relative Atomic Mass = 234.048139(15)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 235
Relative Atomic Mass = 235.050840(15)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 236
Relative Atomic Mass = 236.054988(41)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 237
Relative Atomic Mass = 237.05827(43#)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 208
Relative Atomic Mass = 208.017900(36)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 209
Relative Atomic Mass = 209.017753(93)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 210
Relative Atomic Mass = 210.015094(20)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 211
Relative Atomic Mass = 211.014929(80)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 212
Relative Atomic Mass = 212.012988(17)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 213
Relative Atomic Mass = 213.013009(76)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 214
Relative Atomic Mass = 214.011500(17)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 215
Relative Atomic Mass = 215.0117248(95)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 216
Relative Atomic Mass = 216.011056(13)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 217
Relative Atomic Mass = 217.013117(22)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 218
Relative Atomic Mass = 218.013276(11)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 219
Relative Atomic Mass = 219.015537(54)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 220
Relative Atomic Mass = 220.015748(24)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 221
Relative Atomic Mass = 221.018184(10)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 222
Relative Atomic Mass = 222.018469(13)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 223
Relative Atomic Mass = 223.0208119(99)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 224
Relative Atomic Mass = 224.021464(11)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 225
Relative Atomic Mass = 225.0239514(55)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 226
Relative Atomic Mass = 226.0249034(50)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 227
Relative Atomic Mass = 227.0277042(27)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 228
Relative Atomic Mass = 228.0287413(23)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 229
Relative Atomic Mass = 229.0317627(30)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 230
Relative Atomic Mass = 230.0331341(19)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 231
Relative Atomic Mass = 231.0363046(19)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 232
Relative Atomic Mass = 232.0380558(21)
Isotopic Composition = 1
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 233
Relative Atomic Mass = 233.0415823(21)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 234
Relative Atomic Mass = 234.0436014(37)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 235
Relative Atomic Mass = 235.047255(14)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 236
Relative Atomic Mass = 236.049657(15)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 237
Relative Atomic Mass = 237.053629(17)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 238
Relative Atomic Mass = 238.05650(30#)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 239
Relative Atomic Mass = 239.06077(43#)
Isotopic Composition = 
Standard Atomic Weight = 232.0377(4)
Notes = g

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 212
Relative Atomic Mass = 212.023203(80)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 213
Relative Atomic Mass = 213.021109(76)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 214
Relative Atomic Mass = 214.020918(82)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 215
Relative Atomic Mass = 215.019183(78)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 216
Relative Atomic Mass = 216.019109(57)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 217
Relative Atomic Mass = 217.018325(56)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 218
Relative Atomic Mass = 218.020059(20)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 219
Relative Atomic Mass = 219.019904(55)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 220
Relative Atomic Mass = 220.021705(55#)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 221
Relative Atomic Mass = 221.021875(55)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 222
Relative Atomic Mass = 222.023784(78#)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 223
Relative Atomic Mass = 223.023963(76)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 224
Relative Atomic Mass = 224.0256176(82)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 225
Relative Atomic Mass = 225.026131(76)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 226
Relative Atomic Mass = 226.027948(12)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 227
Relative Atomic Mass = 227.0288054(80)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 228
Relative Atomic Mass = 228.0310517(47)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 229
Relative Atomic Mass = 229.0320972(38)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 230
Relative Atomic Mass = 230.0345410(35)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 231
Relative Atomic Mass = 231.0358842(24)
Isotopic Composition = 1
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 232
Relative Atomic Mass = 232.0385917(83)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 233
Relative Atomic Mass = 233.0402472(22)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 234
Relative Atomic Mass = 234.0433072(51)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 235
Relative Atomic Mass = 235.045399(15)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 236
Relative Atomic Mass = 236.048668(15)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 237
Relative Atomic Mass = 237.051023(14)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 238
Relative Atomic Mass = 238.054637(17)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 239
Relative Atomic Mass = 239.05726(21#)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 240
Relative Atomic Mass = 240.06098(32#)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 241
Relative Atomic Mass = 241.06408(43#)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 92
Atomic Symbol = U
Mass Number = 217
Relative Atomic Mass = 217.02466(11#)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 218
Relative Atomic Mass = 218.023523(20)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 219
Relative Atomic Mass = 219.024999(55)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 220
Relative Atomic Mass = 220.02462(11#)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 221
Relative Atomic Mass = 221.02628(11#)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 222
Relative Atomic Mass = 222.02600(11#)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 223
Relative Atomic Mass = 223.027739(76)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 224
Relative Atomic Mass = 224.027605(27)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 225
Relative Atomic Mass = 225.029391(13)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 226
Relative Atomic Mass = 226.029339(14)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 227
Relative Atomic Mass = 227.031157(18)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 228
Relative Atomic Mass = 228.031371(15)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 229
Relative Atomic Mass = 229.0335063(64)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 230
Relative Atomic Mass = 230.0339401(51)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 231
Relative Atomic Mass = 231.0362939(32)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 232
Relative Atomic Mass = 232.0371563(23)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 233
Relative Atomic Mass = 233.0396355(29)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 234
Relative Atomic Mass = 234.0409523(19)
Isotopic Composition = 0.000054(5)
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 235
Relative Atomic Mass = 235.0439301(19)
Isotopic Composition = 0.007204(6)
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 236
Relative Atomic Mass = 236.0455682(19)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 237
Relative Atomic Mass = 237.0487304(20)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 238
Relative Atomic Mass = 238.0507884(20)
Isotopic Composition = 0.992742(10)
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 239
Relative Atomic Mass = 239.0542935(20)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 240
Relative Atomic Mass = 240.0565934(57)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 241
Relative Atomic Mass = 241.06033(32#)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 242
Relative Atomic Mass = 242.06293(22#)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 92
Atomic Symbol = U
Mass Number = 243
Relative Atomic Mass = 243.06699(43#)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 219
Relative Atomic Mass = 219.03143(21#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 220
Relative Atomic Mass = 220.03254(21#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 221
Relative Atomic Mass = 221.03204(21#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 222
Relative Atomic Mass = 222.03330(21#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 223
Relative Atomic Mass = 223.03285(21#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 224
Relative Atomic Mass = 224.03422(21#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 225
Relative Atomic Mass = 225.033911(77)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 226
Relative Atomic Mass = 226.035188(95#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 227
Relative Atomic Mass = 227.034957(78)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 228
Relative Atomic Mass = 228.036067(54)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 229
Relative Atomic Mass = 229.036264(93)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 230
Relative Atomic Mass = 230.037828(55)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 231
Relative Atomic Mass = 231.038245(54)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 232
Relative Atomic Mass = 232.04011(11#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 233
Relative Atomic Mass = 233.040741(55)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 234
Relative Atomic Mass = 234.0428953(91)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 235
Relative Atomic Mass = 235.0440635(21)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 236
Relative Atomic Mass = 236.046570(54)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 237
Relative Atomic Mass = 237.0481736(19)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 238
Relative Atomic Mass = 238.0509466(19)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 239
Relative Atomic Mass = 239.0529392(22)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 240
Relative Atomic Mass = 240.056165(18)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 241
Relative Atomic Mass = 241.058253(76)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 242
Relative Atomic Mass = 242.06164(21)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 243
Relative Atomic Mass = 243.064280(34#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 244
Relative Atomic Mass = 244.06785(32#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 245
Relative Atomic Mass = 245.07080(43#)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 228
Relative Atomic Mass = 228.038732(33)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 229
Relative Atomic Mass = 229.040144(55)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 230
Relative Atomic Mass = 230.039650(16)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 231
Relative Atomic Mass = 231.041102(28)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 232
Relative Atomic Mass = 232.041185(19)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 233
Relative Atomic Mass = 233.042998(54)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 234
Relative Atomic Mass = 234.0433174(75)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 235
Relative Atomic Mass = 235.045286(22)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 236
Relative Atomic Mass = 236.0460581(23)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 237
Relative Atomic Mass = 237.0484098(24)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 238
Relative Atomic Mass = 238.0495601(19)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 239
Relative Atomic Mass = 239.0521636(19)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 240
Relative Atomic Mass = 240.0538138(19)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 241
Relative Atomic Mass = 241.0568517(19)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 242
Relative Atomic Mass = 242.0587428(20)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 243
Relative Atomic Mass = 243.0620036(34)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 244
Relative Atomic Mass = 244.0642053(56)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 245
Relative Atomic Mass = 245.067826(15)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 246
Relative Atomic Mass = 246.070205(16)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 247
Relative Atomic Mass = 247.07419(21#)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 230
Relative Atomic Mass = 230.04609(14#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 231
Relative Atomic Mass = 231.04556(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 232
Relative Atomic Mass = 232.04645(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 233
Relative Atomic Mass = 233.04644(11#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 234
Relative Atomic Mass = 234.04773(17#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 235
Relative Atomic Mass = 235.047908(56)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 236
Relative Atomic Mass = 236.04943(12#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 237
Relative Atomic Mass = 237.049996(64#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 238
Relative Atomic Mass = 238.051985(54)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 239
Relative Atomic Mass = 239.0530247(26)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 240
Relative Atomic Mass = 240.055300(15)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 241
Relative Atomic Mass = 241.0568293(19)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 242
Relative Atomic Mass = 242.0595494(19)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 243
Relative Atomic Mass = 243.0613813(24)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 244
Relative Atomic Mass = 244.0642851(22)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 245
Relative Atomic Mass = 245.0664548(34)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 246
Relative Atomic Mass = 246.069775(20#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 247
Relative Atomic Mass = 247.07209(11#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 248
Relative Atomic Mass = 248.07575(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 249
Relative Atomic Mass = 249.07848(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 232
Relative Atomic Mass = 232.04982(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 233
Relative Atomic Mass = 233.050770(77)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 234
Relative Atomic Mass = 234.050160(20)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 235
Relative Atomic Mass = 235.05154(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 236
Relative Atomic Mass = 236.051374(20)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 237
Relative Atomic Mass = 237.052869(76)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 238
Relative Atomic Mass = 238.053081(13)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 239
Relative Atomic Mass = 239.054910(58)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 240
Relative Atomic Mass = 240.0555297(24)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 241
Relative Atomic Mass = 241.0576532(23)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 242
Relative Atomic Mass = 242.0588360(19)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 243
Relative Atomic Mass = 243.0613893(22)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 244
Relative Atomic Mass = 244.0627528(19)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 245
Relative Atomic Mass = 245.0654915(22)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 246
Relative Atomic Mass = 246.0672238(22)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 247
Relative Atomic Mass = 247.0703541(47)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 248
Relative Atomic Mass = 248.0723499(56)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 249
Relative Atomic Mass = 249.0759548(56)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 250
Relative Atomic Mass = 250.078358(12)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 251
Relative Atomic Mass = 251.082286(24)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 252
Relative Atomic Mass = 252.08487(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 234
Relative Atomic Mass = 234.05727(15#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 235
Relative Atomic Mass = 235.05658(43#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 236
Relative Atomic Mass = 236.05748(43#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 237
Relative Atomic Mass = 237.05710(24#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 238
Relative Atomic Mass = 238.05820(27#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 239
Relative Atomic Mass = 239.05824(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 240
Relative Atomic Mass = 240.05976(16#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 241
Relative Atomic Mass = 241.06016(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 242
Relative Atomic Mass = 242.06198(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 243
Relative Atomic Mass = 243.0630078(51)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 244
Relative Atomic Mass = 244.065181(16)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 245
Relative Atomic Mass = 245.0663618(24)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 246
Relative Atomic Mass = 246.068673(64)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 247
Relative Atomic Mass = 247.0703073(59)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 248
Relative Atomic Mass = 248.073088(76#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 249
Relative Atomic Mass = 249.0749877(27)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 250
Relative Atomic Mass = 250.0783167(42)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 251
Relative Atomic Mass = 251.080762(12)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 252
Relative Atomic Mass = 252.08431(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 253
Relative Atomic Mass = 253.08688(39#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 254
Relative Atomic Mass = 254.09060(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 237
Relative Atomic Mass = 237.062198(94)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 238
Relative Atomic Mass = 238.06149(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 239
Relative Atomic Mass = 239.06253(23#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 240
Relative Atomic Mass = 240.062256(20)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 241
Relative Atomic Mass = 241.06369(18#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 242
Relative Atomic Mass = 242.063754(14)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 243
Relative Atomic Mass = 243.06548(12#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 244
Relative Atomic Mass = 244.0660008(31)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 245
Relative Atomic Mass = 245.0680487(30)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 246
Relative Atomic Mass = 246.0688055(22)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 247
Relative Atomic Mass = 247.070965(16)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 248
Relative Atomic Mass = 248.0721851(57)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 249
Relative Atomic Mass = 249.0748539(23)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 250
Relative Atomic Mass = 250.0764062(22)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 251
Relative Atomic Mass = 251.0795886(48)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 252
Relative Atomic Mass = 252.0816272(56)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 253
Relative Atomic Mass = 253.0851345(67)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 254
Relative Atomic Mass = 254.087324(13)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 255
Relative Atomic Mass = 255.09105(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 256
Relative Atomic Mass = 256.09344(34#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 239
Relative Atomic Mass = 239.06823(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 240
Relative Atomic Mass = 240.06892(43#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 241
Relative Atomic Mass = 241.06856(24#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 242
Relative Atomic Mass = 242.06957(28#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 243
Relative Atomic Mass = 243.06951(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 244
Relative Atomic Mass = 244.07088(20#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 245
Relative Atomic Mass = 245.07125(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 246
Relative Atomic Mass = 246.07290(24#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 247
Relative Atomic Mass = 247.073622(21)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 248
Relative Atomic Mass = 248.075471(56#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 249
Relative Atomic Mass = 249.076411(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 250
Relative Atomic Mass = 250.07861(11#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 251
Relative Atomic Mass = 251.0799936(67)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 252
Relative Atomic Mass = 252.082980(54)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 253
Relative Atomic Mass = 253.0848257(27)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 254
Relative Atomic Mass = 254.0880222(45)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 255
Relative Atomic Mass = 255.090275(12)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 256
Relative Atomic Mass = 256.09360(11#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 257
Relative Atomic Mass = 257.09598(44#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 258
Relative Atomic Mass = 258.09952(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 241
Relative Atomic Mass = 241.07421(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 242
Relative Atomic Mass = 242.07343(43#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 243
Relative Atomic Mass = 243.07446(23#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 244
Relative Atomic Mass = 244.07404(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 245
Relative Atomic Mass = 245.07535(21#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 246
Relative Atomic Mass = 246.075350(17)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 247
Relative Atomic Mass = 247.07694(12#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 248
Relative Atomic Mass = 248.0771865(92)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 249
Relative Atomic Mass = 249.0789275(68)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 250
Relative Atomic Mass = 250.0795210(86)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 251
Relative Atomic Mass = 251.081540(16)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 252
Relative Atomic Mass = 252.0824671(61)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 253
Relative Atomic Mass = 253.0851846(37)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 254
Relative Atomic Mass = 254.0868544(30)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 255
Relative Atomic Mass = 255.0899640(52)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 256
Relative Atomic Mass = 256.0917745(78)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 257
Relative Atomic Mass = 257.0951061(69)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 258
Relative Atomic Mass = 258.09708(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 259
Relative Atomic Mass = 259.10060(30#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 260
Relative Atomic Mass = 260.10281(55#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 245
Relative Atomic Mass = 245.08081(33#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 246
Relative Atomic Mass = 246.08171(28#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 247
Relative Atomic Mass = 247.08152(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 248
Relative Atomic Mass = 248.08282(26#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 249
Relative Atomic Mass = 249.08291(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 250
Relative Atomic Mass = 250.08441(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 251
Relative Atomic Mass = 251.084774(20)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 252
Relative Atomic Mass = 252.08643(14#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 253
Relative Atomic Mass = 253.087144(34#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 254
Relative Atomic Mass = 254.08959(11#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 255
Relative Atomic Mass = 255.0910841(73)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 256
Relative Atomic Mass = 256.09389(13#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 257
Relative Atomic Mass = 257.0955424(29)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 258
Relative Atomic Mass = 258.0984315(50)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 259
Relative Atomic Mass = 259.10051(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 260
Relative Atomic Mass = 260.10365(34#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 261
Relative Atomic Mass = 261.10583(62#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 262
Relative Atomic Mass = 262.10910(45#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 248
Relative Atomic Mass = 248.08655(24#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 249
Relative Atomic Mass = 249.08780(30#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 250
Relative Atomic Mass = 250.08756(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 251
Relative Atomic Mass = 251.08894(12#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 252
Relative Atomic Mass = 252.088967(10)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 253
Relative Atomic Mass = 253.0905641(75)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 254
Relative Atomic Mass = 254.090956(11)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 255
Relative Atomic Mass = 255.093191(16)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 256
Relative Atomic Mass = 256.0942829(84)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 257
Relative Atomic Mass = 257.0968878(74)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 258
Relative Atomic Mass = 258.09821(11#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 259
Relative Atomic Mass = 259.10103(11#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 260
Relative Atomic Mass = 260.10264(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 261
Relative Atomic Mass = 261.10570(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 262
Relative Atomic Mass = 262.10746(39#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 263
Relative Atomic Mass = 263.11071(53#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 264
Relative Atomic Mass = 264.11273(70#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 251
Relative Atomic Mass = 251.09418(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 252
Relative Atomic Mass = 252.09526(26#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 253
Relative Atomic Mass = 253.09509(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 254
Relative Atomic Mass = 254.09648(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 255
Relative Atomic Mass = 255.096562(19)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 256
Relative Atomic Mass = 256.098494(89)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 257
Relative Atomic Mass = 257.099418(47#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 258
Relative Atomic Mass = 258.10176(11#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 259
Relative Atomic Mass = 259.102902(76#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 260
Relative Atomic Mass = 260.10550(13#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 261
Relative Atomic Mass = 261.10688(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 262
Relative Atomic Mass = 262.10961(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 263
Relative Atomic Mass = 263.11136(30#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 264
Relative Atomic Mass = 264.11420(47#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 265
Relative Atomic Mass = 265.11619(65#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 266
Relative Atomic Mass = 266.11983(56#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 253
Relative Atomic Mass = 253.10044(44#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 254
Relative Atomic Mass = 254.10005(30#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 255
Relative Atomic Mass = 255.10127(12#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 256
Relative Atomic Mass = 256.101152(19)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 257
Relative Atomic Mass = 257.102918(12)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 258
Relative Atomic Mass = 258.103428(34)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 259
Relative Atomic Mass = 259.105596(78#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 260
Relative Atomic Mass = 260.10644(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 261
Relative Atomic Mass = 261.108773(54)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 262
Relative Atomic Mass = 262.10992(24#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 263
Relative Atomic Mass = 263.11249(20#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 264
Relative Atomic Mass = 264.11388(39#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 265
Relative Atomic Mass = 265.11668(39#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 266
Relative Atomic Mass = 266.11817(50#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 267
Relative Atomic Mass = 267.12179(62#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 268
Relative Atomic Mass = 268.12397(77#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 255
Relative Atomic Mass = 255.10707(45#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 256
Relative Atomic Mass = 256.10789(26#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 257
Relative Atomic Mass = 257.10758(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 258
Relative Atomic Mass = 258.10928(33#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 259
Relative Atomic Mass = 259.109492(57)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 260
Relative Atomic Mass = 260.11130(10#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 261
Relative Atomic Mass = 261.11192(12#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 262
Relative Atomic Mass = 262.11407(15#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 263
Relative Atomic Mass = 263.11499(18#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 264
Relative Atomic Mass = 264.11741(25#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 265
Relative Atomic Mass = 265.11861(24#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 266
Relative Atomic Mass = 266.12103(30#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 267
Relative Atomic Mass = 267.12247(44#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 268
Relative Atomic Mass = 268.12567(57#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 269
Relative Atomic Mass = 269.12791(73#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 270
Relative Atomic Mass = 270.13136(64#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 258
Relative Atomic Mass = 258.11298(44#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 259
Relative Atomic Mass = 259.11440(13#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 260
Relative Atomic Mass = 260.114384(22)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 261
Relative Atomic Mass = 261.115949(20)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 262
Relative Atomic Mass = 262.116337(38)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 263
Relative Atomic Mass = 263.11829(10#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 264
Relative Atomic Mass = 264.11893(30#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 265
Relative Atomic Mass = 265.12109(13#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 266
Relative Atomic Mass = 266.12198(26#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 267
Relative Atomic Mass = 267.12436(30#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 268
Relative Atomic Mass = 268.12539(50#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 269
Relative Atomic Mass = 269.12863(39#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 270
Relative Atomic Mass = 270.13043(60#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 271
Relative Atomic Mass = 271.13393(63#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 272
Relative Atomic Mass = 272.13589(83#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 273
Relative Atomic Mass = 273.13958(54#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 260
Relative Atomic Mass = 260.12166(26#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 261
Relative Atomic Mass = 261.12145(22#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 262
Relative Atomic Mass = 262.12297(33#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 263
Relative Atomic Mass = 263.12292(33#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 264
Relative Atomic Mass = 264.12459(19#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 265
Relative Atomic Mass = 265.12491(25#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 266
Relative Atomic Mass = 266.12679(18#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 267
Relative Atomic Mass = 267.12750(28#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 268
Relative Atomic Mass = 268.12969(41#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 269
Relative Atomic Mass = 269.13042(40#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 270
Relative Atomic Mass = 270.13336(31#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 271
Relative Atomic Mass = 271.13526(48#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 272
Relative Atomic Mass = 272.13826(58#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 273
Relative Atomic Mass = 273.14024(80#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 274
Relative Atomic Mass = 274.14355(65#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 275
Relative Atomic Mass = 275.14567(64#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 263
Relative Atomic Mass = 263.12852(14#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 264
Relative Atomic Mass = 264.128357(31)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 265
Relative Atomic Mass = 265.129793(26)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 266
Relative Atomic Mass = 266.130046(42)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 267
Relative Atomic Mass = 267.13167(10#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 268
Relative Atomic Mass = 268.13186(30#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 269
Relative Atomic Mass = 269.13375(13#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 270
Relative Atomic Mass = 270.13429(27#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 271
Relative Atomic Mass = 271.13717(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 272
Relative Atomic Mass = 272.13850(55#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 273
Relative Atomic Mass = 273.14168(40#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 274
Relative Atomic Mass = 274.14330(63#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 275
Relative Atomic Mass = 275.14667(63#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 276
Relative Atomic Mass = 276.14846(86#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 277
Relative Atomic Mass = 277.15190(58#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 265
Relative Atomic Mass = 265.13600(48#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 266
Relative Atomic Mass = 266.13737(33#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 267
Relative Atomic Mass = 267.13719(54#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 268
Relative Atomic Mass = 268.13865(25#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 269
Relative Atomic Mass = 269.13882(50#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 270
Relative Atomic Mass = 270.14033(18#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 271
Relative Atomic Mass = 271.14074(35#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 272
Relative Atomic Mass = 272.14341(52#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 273
Relative Atomic Mass = 273.14440(52#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 274
Relative Atomic Mass = 274.14724(38#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 275
Relative Atomic Mass = 275.14882(50#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 276
Relative Atomic Mass = 276.15159(59#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 277
Relative Atomic Mass = 277.15327(82#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 278
Relative Atomic Mass = 278.15631(68#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 279
Relative Atomic Mass = 279.15808(72#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 267
Relative Atomic Mass = 267.14377(15#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 268
Relative Atomic Mass = 268.14348(32#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 269
Relative Atomic Mass = 269.144752(34)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 270
Relative Atomic Mass = 270.144584(52)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 271
Relative Atomic Mass = 271.14595(10#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 272
Relative Atomic Mass = 272.14602(44#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 273
Relative Atomic Mass = 273.14856(14#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 274
Relative Atomic Mass = 274.14941(42#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 275
Relative Atomic Mass = 275.15203(45#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 276
Relative Atomic Mass = 276.15303(59#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 277
Relative Atomic Mass = 277.15591(41#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 278
Relative Atomic Mass = 278.15704(67#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 279
Relative Atomic Mass = 279.16010(64#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 280
Relative Atomic Mass = 280.16131(89#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 281
Relative Atomic Mass = 281.16451(59#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 272
Relative Atomic Mass = 272.15327(25#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 273
Relative Atomic Mass = 273.15313(56#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 274
Relative Atomic Mass = 274.15525(19#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 275
Relative Atomic Mass = 275.15594(56#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 276
Relative Atomic Mass = 276.15833(68#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 277
Relative Atomic Mass = 277.15907(61#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 278
Relative Atomic Mass = 278.16149(38#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 279
Relative Atomic Mass = 279.16272(51#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 280
Relative Atomic Mass = 280.16514(61#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 281
Relative Atomic Mass = 281.16636(89#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 282
Relative Atomic Mass = 282.16912(72#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 283
Relative Atomic Mass = 283.17054(79#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 276
Relative Atomic Mass = 276.16141(64#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 277
Relative Atomic Mass = 277.16364(15#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 278
Relative Atomic Mass = 278.16416(47#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 279
Relative Atomic Mass = 279.16654(50#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 280
Relative Atomic Mass = 280.16715(63#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 281
Relative Atomic Mass = 281.16975(42#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 282
Relative Atomic Mass = 282.17050(70#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 283
Relative Atomic Mass = 283.17327(65#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 284
Relative Atomic Mass = 284.17416(91#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 285
Relative Atomic Mass = 285.17712(60#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 278
Relative Atomic Mass = 278.17058(20#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 279
Relative Atomic Mass = 279.17095(75#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 280
Relative Atomic Mass = 280.17293(75#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 281
Relative Atomic Mass = 281.17348(75#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 282
Relative Atomic Mass = 282.17567(39#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 283
Relative Atomic Mass = 283.17657(52#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 284
Relative Atomic Mass = 284.17873(62#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 285
Relative Atomic Mass = 285.17973(89#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 286
Relative Atomic Mass = 286.18221(72#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 113
Atomic Symbol = Nh
Mass Number = 287
Relative Atomic Mass = 287.18339(81#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 114
Atomic Symbol = Fl
Mass Number = 285
Relative Atomic Mass = 285.18364(47#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 114
Atomic Symbol = Fl
Mass Number = 286
Relative Atomic Mass = 286.18423(71#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 114
Atomic Symbol = Fl
Mass Number = 287
Relative Atomic Mass = 287.18678(66#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 114
Atomic Symbol = Fl
Mass Number = 288
Relative Atomic Mass = 288.18757(91#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 114
Atomic Symbol = Fl
Mass Number = 289
Relative Atomic Mass = 289.19042(60#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 115
Atomic Symbol = Mc
Mass Number = 287
Relative Atomic Mass = 287.19070(52#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 115
Atomic Symbol = Mc
Mass Number = 288
Relative Atomic Mass = 288.19274(62#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 115
Atomic Symbol = Mc
Mass Number = 289
Relative Atomic Mass = 289.19363(89#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 115
Atomic Symbol = Mc
Mass Number = 290
Relative Atomic Mass = 290.19598(73#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 115
Atomic Symbol = Uup
Mass Number = 291
Relative Atomic Mass = 291.19707(88#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 116
Atomic Symbol = Lv
Mass Number = 289
Relative Atomic Mass = 289.19816(57#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 116
Atomic Symbol = Lv
Mass Number = 290
Relative Atomic Mass = 290.19864(71#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 116
Atomic Symbol = Lv
Mass Number = 291
Relative Atomic Mass = 291.20108(66#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 116
Atomic Symbol = Lv
Mass Number = 292
Relative Atomic Mass = 292.20174(91#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 116
Atomic Symbol = Lv
Mass Number = 293
Relative Atomic Mass = 293.20449(60#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 117
Atomic Symbol = Ts
Mass Number = 291
Relative Atomic Mass = 291.20553(68#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 117
Atomic Symbol = Ts
Mass Number = 292
Relative Atomic Mass = 292.20746(75#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 117
Atomic Symbol = Ts
Mass Number = 293
Relative Atomic Mass = 293.20824(89#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 117
Atomic Symbol = Uus
Mass Number = 294
Relative Atomic Mass = 294.21046(74#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 118
Atomic Symbol = Og
Mass Number = 293
Relative Atomic Mass = 293.21356(78#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 118
Atomic Symbol = Og
Mass Number = 294
Relative Atomic Mass = 294.21392(71#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

Atomic Number = 118
Atomic Symbol = Og
Mass Number = 295
Relative Atomic Mass = 295.21624(69#)
Isotopic Composition = 
Standard Atomic Weight =  
Notes =  

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