Ground State Electron Configurations

Submitted by ChemPRIME Staff on Thu, 12/09/2010 - 14:34

Ground-State Electron Configurations of AtomsThe smallest particle of an element that can be involved in chemical combination with another element; an atom consists of protons and neutrons in a tiny, very dense nucleus, surrounded by electrons, which occupy most of its volume.


 Z  Element   Configuration  
1
H
1s 1
2
He
1s 2
3
Li
[He] 2s 1
4
Be
[He] 2s 2
5
B
[He] 2s 2 2p1
6
C
[He] 2s 2 2p2
7
N
[He] 2s 2 2p3
8
0
[He] 2s 2 2p4
9
F
[He] 2s 2 2p5
10
Ne
[He] 2s 2 2p6
11
Na
[Ne] 3s 1
12
Mg
[Ne] 3s 2
13
Al
[Ne] 3s 2 3p1
14
Si
[Ne]3s 2 3p2
15
P
[Ne] 3s 2 3p3
16
S
[Ne] 3s 2 3p4
17
Cl
[Ne] 3s 2 3p5
18
Ar
[Ne] 3s 2 3p6
19
K
[Ar] 4s 1
20
Ca
[Ar] 4s 2
21
Sc
[Ar] 3d 1 4s 2
22
Ti
[Ar] 3d 2 4s 2
23
V
[Ar] 3d 3 4s 2
24
Cr
[Ar] 3d 5 4s 1
25
Mn
[Ar] 3d 5 4s 2
26
Fe
[Ar] 3d 6 4s 2
27
Co
[Ar] 3d 7 4s 2
28
Ni
[Ar] 3d 8 4s 2
29
Cu
[Ar] 3d 10 4s 1
30
Zn
[Ar] 3d 10 4s 2
31
Ga
[Ar] 3d 10 4s 2 4p 1
32
Ge
[Ar] 3d 10 4s 2 4p 2
33
As
[Ar] 3d 10 4s 2 4p 3
34
Se
[Ar] 3d 10 4s 2 4p 4
35
Br
[Ar] 3d 10 4s 2 4p 5
36
Kr
[Ar] 3d 10 4s 2 4p 6
37
Rb
[Kr] 5s 1
38
Sr
[Kr] 5s 2
39
Y
[Kr] 4d 1 5s 2
40
Zr
[Kr] 4d 2 5s 2
41
Nb
[Kr] 4d 4 5s 1
42
Mo
[Kr] 4d 5 5s 1
43
Tc
[Kr] 4d 5 5s 2
44
Ru
[Kr] 4d 7 5s 1
45
Rh
[Kr] 4d 8 5s 1
46
Pd
[Kr] 4d 10
47
Ag
[Kr] 4d 10 5s 1
48
Cd
[Kr] 4d 10 5s 2
49
In
[Kr] 4d 10 5s 2 5p 1
50
Sn
[Kr] 4d 10 5s 2 5p 2
51
Sb
[Kr] 4d 10 5s 2 5p 3
52
Te
[Kr] 4d 10 5s 2 5p 4
53
I
[Kr] 4d 10 5s 2 5p 5
54
Xe
[Kr] 4d 10 5s 2 5p 6
55
Cs
[Xe] 6s 1
56
Ba
[Xe] 6s 2
57
La
[Xe] 5d 1 6s 2
58
Ce
[Xe] 4f 1 5d 1 6s 2
59
Pr
[Xe] 4f 3 6s 2
60
Nd
[Xe] 4f 4 6s 2
61
Pm
[Xe] 4f 5 6s 2
62
Sm
[Xe] 4f 6 6s 2
63
Eu
[Xe] 4f 7 6s 2
64
Gd
[Xe] 4f 7 5d 1 6s 2
65
Tb
[Xe] 4f 9 6s 2
66
Dy
[Xe] 4f 10 6s 2
67
Ho
[Xe] 4f 11 6s 2
68
Er
[Xe] 4f 12 6s 2
69
Tm
[Xe] 4f 13 6s 2
70
Yb
[Xe] 4f 14 6s 2
71
Lu
[Xe] 4f 14 5d 1 6s 2
72
Hf
[Xe] 4f 14 5d 2 6s 2
73
Ta
[Xe] 4f 14 5d 3 6s 2
74
W
[Xe] 4f 14 5d 4 6s 2
75
Re
[Xe] 4f 14 5d 5 6s 2
76
0s
[Xe] 4f 14 5d 6 6s 2
77
Ir
[Xe] 4f 14 5d 7 6s 2
78
Pt
[Xe] 4f 14 5d 9 6s 1
79
Au
[Xe] 4f 14 5d 10 6s 1
80
Hg
[Xe] 4f 14 5d 10 6s 2
81
Tl
[Xe] 4f 14 5d 10 6s 2 6p1
82
Pb
[Xe] 4f 14 5d 10 6s 2 6p2
83
Bi
[Xe] 4f 14 5d 10 6s 2 6p 3
84
Po
[Xe] 4f 14 5d 10 6s 2 6p 4
85
At
[Xe] 4f 14 5d 10 6s 2 6p 5
86
Rn
[Xe] 4f 14 5d 10 6s 2 6p 6
87
Fr
[Rn] 7s 1
88
Ra
[Rn] 7s 2
89
Ac
[Rn] 6d 1 7s 2
90
Th
[Rn] 6d 2 7s 2
91
Pa
[Rn] 5f 2 6d 1 7s 2
92
U
[Rn] 5f 3 6d 1 7s 2
93
Np
[Rn] 5f 4 6d 1 7s 2
94
Pu
[Rn] 5f 6 7s 2
95
Am
[Rn] 5f 7 7s 2
96
Cm
[Rn] 5f 7 6d 1 s 2
97
Bk
[Rn] 5f 9 s 2
98
Cf
[Rn] 5f 10 s 2
99
Es
[Rn] 5f 11 s 2
100
Fm
[Rn] 5f 12 s 2
101
Md
[Rn] 5f 13 s 2
102
No
[Rn] 5f 14 s 2
103
Lr
[Rn] 5f 14 6d 1 s 2
104
Rf
[Rn] 5f 14 6d 2 s 2