Yttrium (Y)
Atomic Data for Yttrium (Y)
Atomic Number = 39
Atomic Weight = 88.90585
Reference
E95
Isotope
Mass
Abundance
Spin
Mag Moment
89
Y
88.905849
100%
1/2
-0.1373
Y 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
5
s
2
2
D
3
/
2
Ionization energy 50145.6 cm
-1
(6.2173 eV) Ref.
GRTE73
,
JS00
Y 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
5
s
2
1
S
0
Ionization energy 98590 cm
-1
(12.224 eV) Ref.
NJK91