Template:Periodic table (electron configuration)

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Electron configurations of the neutral gaseous atoms in the ground state

1s:

1
H

1

2
He

2

[He]
+

2s:
2p:

3
Li

1
-

4
Be

2
-

5
B

2
1

6
C

2
2

7
N

2
3

8
O

2
4

9
F

2
5

10
Ne

2
6

[Ne]
+

3s:
3p:

11
Na

1
-

12
Mg

2
-

13
Al

2
1

14
Si

2
2

15
P

2
3

16
S

2
4

17
Cl

2
5

18
Ar

2
6

[Ar]
+

4s:
3d:
4p:

19
K

1
-
-

20
Ca

2
-
-

21
Sc

2
1
-

22
Ti

2
2
-

23
V

2
3
-

24
Cr

1
5
-

25
Mn

2
5
-

26
Fe

2
6
-

27
Co

2
7
-

28
Ni

2
8
-

29
Cu

1
10
-

30
Zn

2
10

-

31
Ga

2
10

1

32
Ge

2
10

2

33
As

2
10

3

34
Se

2
10

4

35
Br

2
10

5

36
Kr

2
10
6

[Kr]
+

5s:
4d:
5p:

37
Rb

1
-
-

38
Sr

2
-
-

39
Y

2
1
-

40
Zr

2
2
-

41
Nb

1
4
-

42
Mo

1
5
-

43
Tc

2
5
-

44
Ru

1
7
-

45
Rh

1
8
-

46
Pd

-
10
-

47
Ag

1
10
-

48
Cd

2
10

-

49
In

2
10

1

50
Sn

2
10

2

51
Sb

2
10

3

52
Te

2
10

4

53
I

2
10

5

54
Xe

2
10
6

[Xe]
+

6s:
4f:
5d:
6p:

55
Cs

1
-
-
-

56
Ba

2
-
-
-

57
La

2
-
1
-

58
Ce

2
1
1
-

59
Pr

2
3
-
-

60
Nd

2
4
-
-

61
Pm

2
5
-
-

62
Sm

2
6
-
-

63
Eu

2
7
-
-

64
Gd

2
7
1
-

65
Tb

2
9
-
-

66
Dy

2
10
-
-

67
Ho

2
11
-
-

68
Er

2
12
-
-

69
Tm

2
13
-
-

70
Yb

2
14

-
-

71
Lu

2
14

1
-

72
Hf

2
14

2
-

73
Ta

2
14

3
-

74
W

2
14

4
-

75
Re

2
14

5
-

76
Os

2
14

6
-

77
Ir

2
14

7
-

78
Pt

1
14
9
-

79
Au

1
14
10

-

80
Hg

2
14
10

-

81
Tl

2
14
10

1

82
Pb

2
14
10

2

83
Bi

2
14
10

3

84
Po

2
14
10

4

85
At

2
14
10

5

86
Rn

2
14
10
6

[Rn]
+

7s:
5f:
6d:
7p:

87
Fr

1
-
-
-

88
Ra

2
-
-
-

89
Ac

2
-
1
-

90
Th

2
-
2
-

91
Pa

2
2
1
-

92
U

2
3
1
-

93
Np

2
4
1
-

94
Pu

2
6
-
-

95
Am

2
7
-
-

96
Cm

2
7
1
-

97
Bk

2
9
-
-

98
Cf

2
10
-
-

99
Es

2
11
-
-

100
Fm

2
12
-
-

101
Md

2
13
-
-

102
No

2
14

-
-

103
Lr

2
14

-
1

104
Rf

2
14

2
-

105
Db

2
14

3
-

106
Sg

2
14

4
-

107
Bh

2
14

5
-

108
Hs

2
14

6
-

109
Mt

2
14

7
-

110
Ds

2
14

8
-

111
Rg

2
14

9
-

112
Cn

2
14
10

-

113
Uut

2
14
10

1

114
Fl

2
14
10

2

115
Uup

2
14
10

3

116
Lv

2
14
10

4

117
Uus

2
14
10

5

118
Uuo

2
14
10
6

Legend for the background color
Background color shows subcategory in the metal–nonmetal range:
Metal Metalloid Nonmetal Unknown
chemical
properties
Alkali metal Alkaline earth metal Lan­thanide Actinide Transition metal Post-​transition metal Polyatomic nonmetal Diatomic nonmetal Noble gas
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