1

H
1.008
1
IA
1s^1
2

He
4.003
1
0
1s^2
3

Li
6.941
2
IA
2s^1
4

Be
9.012
2
IIA
2s^2
5

B
10.81
2
IIIA
2s^2/2p^1
6
̼
C
12.01
2
IVA
2s^2/2p^2
7

N
14.01
2
VA
2s^2/2p^3
8

O
16.00
2
VIA
2s^2/2p^4
9

F
19.00
2
VIIA
2s^2/2p^5
10

Ne
20.18
2
0
2s^2/2p^6
11

Na
22.99
3
IA
3s^1
12
þ
Mg
24.31
3
IIA
3s^2
13

Al
26.98
3
IIIA
3s^2/3p^1
14

Si
28.09
3
IVA
3s^/3p^2
15

P
30.96
3
VA
3s^2/3p^2
16

S
32.06
3
VIA
3s^2/3p^4
17

Cl
35.45
3
VIIA
3s^2/3p^5
18

Ar
39.95
3
0
3s^2/3p^6
19

K
39.10
4
IA
4s^1
20

Ca
40.08
4
IIA
4s^2
21

Sc
44.96
4
IIIB
3d^1/4s^2
22

Ti
47.87
4
IVB
3d^2/4s^2
23

V
50.94
4
VB
3d^^3/4s^2
24

Cr
52.00
4
VIB
3d^5/4s^1
25

Mn
54.94
4
VIIB
3d^5/4s^2
26

Fe
55.85
4
VIII
3d^6/4s^2
27

Co
58.93
4
VIII
3d^7/4s^2
28

Ni
58.69
4
VIII
3d^8/4s^2
29
ͭ
Cu
63.55
4
IB
3d^10/4s^1
30
п
Zn
65.39
4
IIB
3d^10/4s^2
31

Ga
69.72
4
IIIA
4s^24p^1
32

Ge
72.64
4
IVA
4s^2/4p^2
33

As
74.92
4
VA
4s^2/4p^3
34

Se
78.96
4
VIA
4s^2/4p^4
35

Br
79.9
4
VIIA
4s^2/4p^5
36

Kr
83.80
4
0
4s^2/4p^6
37

Rb
85.47
5
IA
5s^1
38

Sr
87.62
5
IIA
5s^2
39

Y
88.91
5
IIB
4d^1/5s^2
40

Zr
91.22
5
IVB
4d^2/5s^2
41

Nb
92.91
5
VB
4d^4/5s^1
42

Mo
95.94
5
VIB
4d^5/5s^1
43

Tc
[98]
5
VIIB
4d^5/5s^2
44

Ru
101.1
5
VIII
4d^7/5s^1
45

Rh
102.9
5
VIII
4d^8/5s^1
46

Pd
106.4
5
VIII
4d^10
47

Ag
107.9
5
IB
4d^10/5s^1
48

Cd
112.4
5
IIB
4d^10/5s^2
49

In
114.8
5
IIIA
5s^2/5p^1
50

Sn
118.7
5
IVA
5s^2/5p^2
51

Sb
121.8
5
VA
5s^2/5p^3
52

Te
127.6
5
VIA
5s^2/5p^4
53

I
126.9
5
VIIA
5s^2/5p^5
54

Xe
131.3
5
0
5s^2/5p^6
55

Cs
132.9
6
IA
6s^1
56

Ba
137.3
6
IIA
6s^2
57

La
138.9
6
IIB
5d^1/6s^2
58

Ce
140.1
6
IIB
4f^1/5d^1/6s^2
59

Pr
140.9
6
IIB
4f^3/6s^2
60

Nd
144.2
6
IIB
4f^4/6s^2
61

Pm
[145]
6
IIB
4f^5/6s^2
62

Sm
150.4
6
IIB
4f^6/6s^2
63

Eu
152.0
6
IIB
4f^7/6s^2
64

Gd
157.3
6
IIB
4f^7/5d^1/6s^2
65

Tb
158.9
6
IIB
4f^9/6s^2
66

Dy
162.5
6
IIB
4f^10/6s^2
67

Ho
164.9
6
IIB
4f^11/6s^2
68

Er
167.3
6
IIB
4f^12/6s^2
69

Tm
168.9
6
IIB
4f^13/6s^2
70

Yb
173.0
6
IIB
4f^14/6s^2
71

Lu
175.0
6
IIB
4f^14/5d^1/6s^2
72

Hf
178.5
6
IVB
5d^2/6s^2
73

Ta
180.9
6
VB
5d^3/6s^2
74

W
183.8
6
VIB
5d^4/6s^2
75

Re
186.2
6
VIIB
5d^5/6s^2
76

Os
190.2
6
VIII
5d^6/6s^2
77
ҿ
Ir
192.2
6
VIII
5d^7/6s^2
78

Pt
195.1
6
VIII
5d^9/6s^1
79

Au
197.0
6
IB
5d^10/6s^1
80

Hg
200.6
6
IIB
5d^10/6s^2
81

Tl
204.4
6
IIIA
6s^2/6p^1
82
Ǧ
Pb
207.2
6
IVA
6s^2/6p^2
83

Bi
209.0
6
VA
6s^2/6p^3
84

Po
[209]
6
VIA
6s^2/6p^4
85

At
[210]
6
VIIA
6s^2/6p^5
86

Rn
[222]
6
0
6s^2/6p^6
87

Fr
[223]
7
IA
7s^1
88

Ra
[226]
7
IIA
7s^2
89

Ac
[227]
7
IIIB
6d^1/7s^2
90

Th
232.0
7
IIIB
6d^2/7s^2
91

Pa
231.0
7
IIIB
5f^2/6d^1/7s^2
92

U
238.0
7
IIIB
5f^3/6d^1/7s^2
93

Np
[237]
7
IIIB
5f^4/6d^1/7s^2
94

Pu
[244]
7
IIIB
5f^6/7s^2
95

Am*
[243]
7
IIIB
5f^7/7s^2