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Periodic table (electron configurations)

Group 1 2
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

IA IIA
IIIB IVB VB VIB VIIB ---- VIIIB ---- IB IIB IIIA IVA VA VIA VIIA VIIIA
Period
1

1s 		1
H
1
2
He
2
2
 
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
3
 
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
4
 
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
5
 
5s
4d
5p 		37
Rb
1
 
  		38
Sr
2
 
 
39
Y
2
1
  		40
Zr
2
2
  		41
Nb
1
4
  		42
Mo
2
4
  		(43)
Tc
2
5
  		44
Ru
2
6
  		45
Rh
2
7
  		46
Pd
0
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
6
 
6s
4f
5d
6p 		55
Cs
1
 
 
  		56
Ba
2
 
 
  		*
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
7
 
7s
5f
6d
7p 		87
Fr
1
 
 
  		88
Ra
2
 
 
  		**
(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)
Uub
2
14
10
  		(113)
Uut

2
14
10
1

(114)
Uuq
2
14
10
2 		(115)
Uup
2
14
10
3 		(116)
Uuh
2
14
10
4 		(117)
Uus
2
14
10
5 		(118)
Uuo
2
14
10
6
* Lanthanides
 
6s
4f
5d 		57
La
2
 
1 		58
Ce
2
2
0 		59
Pr
2
3
0 		60
Nd
2
4
0 		(61)
Pm
2
5
0 		62
Sm
2
6
0 		63
Eu
2
7
0 		64
Gd
2
7
1 		65
Tb
2
9
0 		66
Dy
2
10
0 		67
Ho
2
11
0 		68
Er
2
12
0 		69
Tm
2
13
0 		70
Yb
2
14
0
** Actinides
 
7s
5f
6d 		89
Ac
2
 
1 		90
Th
2
0
2 		91
Pa
2
2
1 		92
U
2
3
1 		(93)
Np
2
4
1 		(94)
Pu
2
6
0 		(95)
Am
2
7
0 		(96)
Cm
2
7
1 		(97)
Bk
2
9
0 		(98)
Cf
2
10
0 		(99)
Es
2
11
0 		(100)
Fm
2
12
0 		(101)
Md
2
13
0 		(102)
No
2
14
0
01-04-2007 01:16:19
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