Silicon (Si)
Atomic Data for Silicon (Si)
Atomic Number = 14
Atomic Weight = 28.0855
Reference
E95
Isotope
Mass
Abundance
Spin
Mag Moment
28
Si
27.976927
92.23%
0
29
Si
28.976495
4.67%
1/2
-0.5553
30
Si
29.973770
3.10%
0
Si I Ground State 1
s
2
2
s
2
2
p
6
3
s
2
3
p
2
3
P
0
Ionization energy 65747.76 cm
-1
(8.15168 eV) Ref.
MKMD94
Si II Ground State 1
s
2
2
s
2
2
p
6
3
s
2
3
p
2
P°
1
/
2
Ionization energy 131838.14 cm
-1
(16.34584 eV) Ref.
MZ83