Chemistry Reference
In-Depth Information
TABLE 2.4
Electron Configuration of the Atoms of the Elements in p-Block
Group
Period
13
14
15
16
17
2
B
[He]2s
2
2p
1
C
[He]2s
2
2p
2
N
[He]2s
2
2p
3
O
[He]2s
2
2p
4
F
[He]2s
2
2p
5
3
Al
[Ne]3s
2
3p
1
Si
[Ne]3s
2
3p
2
P
[Ne]3s
2
3p
3
S
[Ne]3s
2
3p
4
Cl
[Ne]3s
2
3p
5
4
Ga
[Ar]3d
10
4s
2
4p
1
Ge
[Ar]3d
10
4s
2
4p
2
As
[Ar]3d
10
4s
2
4p
3
Se
[Ar]3d
10
4s
2
4p
4
Br
[Ar]3d
10
4s
2
4p
5
5
In
[Kr]4d
10
5s
2
5p
1
Sn
[Kr]4d
10
5s
2
5p
2
Sb
[Kr]4d
10
5s
2
5p
3
Te
[Kr]4d
10
5s
2
5p
4
I
[Kr]4d
10
5s
2
5p
5
6
Tl
[Xe]4f
14
5d
10
6s
2
6p
1
Pb
[Xe]4f
14
5d
10
6s
2
6p
2
Bi
[Xe]4f
14
5d
10
6s
2
6p
3
Po
[Xe]4f
14
5d
10
6s
2
6p
4
At
[Xe]4f
14
5d
10
6s
2
6p
5
