Atomic Weights and Isotopic Compositions for Lithium
 Isotope   Relative
Atomic Mass
 
   Isotopic
  Composition  
Standard
Atomic Weight
 
 Notes 
 
3 Li 3     3.0308(21#)     [6.938, 6.997] m
4     4.027 19(23)   
5     5.012 538(54)   
6     6.015 122 8874(16)   0.0759(4)
7     7.016 003 4366(45)   0.9241(4)
8     8.022 486 246(50)   
9     9.026 790 19(20)   
10   10.035 483(14)   
11   11.043 723 58(66)   
12   12.052 517(16)   
13   13.062 63(38)   

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