Radium (Ra)
Atomic Data for Radium (Ra)
Atomic Number = 88
Atomic Weight = 226.0254
Reference
E95
Isotope
Mass
Abundance
Spin
Mag Moment
223
Ra
223.018501
Some
1/2
224
Ra
224.020186
Some
0
226
Ra
226.025402
Some
0
228
Ra
228.031064
Some
0
Ra I Ground State 1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
3
d
1
0
4
s
2
4
p
6
4
d
1
0
4
f
1
4
5
s
2
5
p
6
5
d
1
0
6
s
2
6
p
6
7
s
2
1
S
0
Ionization energy 42573.36 cm
-1
(5.278423 eV) Ref.
AWT80
Ra II Ground State 1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
3
d
1
0
4
s
2
4
p
6
4
d
1
0
4
f
1
4
5
s
2
5
p
6
5
d
1
0
6
s
2
6
p
6
7
s
2
S
1
/
2
Ionization energy 81842.31 cm
-1
(10.14715 eV) Ref.
M58
