Symbol
|
Valance Electron
|
Name
|
Atomic
Number
|
Symbol
|
Valance Electron
|
Name
|
Atomic
Number
|
Ba
|
2
|
Barium
|
56
|
H
|
1
|
Hydrogen
|
1
|
La
|
2
|
Lanthanum
|
57
|
He
|
2
|
Helium
|
2
|
Ce
|
2
|
Cerium
|
58
|
Li
|
1
|
Lithium
|
3
|
Pr
|
2
|
Praseodymium
|
59
|
Be
|
2
|
Beryllum
|
4
|
Nd
|
2
|
Neodymium
|
60
|
B
|
3
|
Boron
|
5
|
Pm
|
2
|
Promethium
|
61
|
C
|
4
|
Carbon
|
6
|
Sm
|
2
|
Samarium
|
62
|
N
|
5
|
Nitrogen
|
7
|
Eu
|
2
|
Europium
|
63
|
O
|
6
|
Oxygen
|
8
|
Gd
|
2
|
Gadolinium
|
64
|
F
|
7
|
Fluorine
|
9
|
Tb
|
2
|
Terbium
|
65
|
Ne
|
8
|
Neon
|
10
|
Dy
|
2
|
Dysprosium
|
66
|
Na
|
1
|
Sodium
|
11
|
Ho
|
2
|
Holmium
|
67
|
Ma
|
2
|
Magnesium
|
12
|
Er
|
2
|
Erbium
|
68
|
Al
|
3
|
Aluminum
|
13
|
Tm
|
2
|
Thulium
|
69
|
Si
|
4
|
Silicon
|
14
|
Yb
|
2
|
Ytterbium
|
70
|
P
|
5
|
Phosphorus
|
15
|
Lu
|
2
|
Lutetium
|
71
|
S
|
6
|
Sulfur
|
16
|
Hf
|
2
|
Hafnium
|
72
|
Ci
|
7
|
Chlorine
|
17
|
Ta
|
2
|
Tantalum
|
73
|
A
|
8
|
Argon
|
18
|
W
|
2
|
Tungsten
|
74
|
K
|
1
|
Potassium
|
19
|
Re
|
2
|
Rhenium
|
75
|
Ca
|
2
|
Calcium
|
20
|
Os
|
2
|
Osmium
|
76
|
Sc
|
2
|
Scandium
|
21
|
Ir
|
2
|
Iridium
|
77
|
Ti
|
2
|
Titanium
|
22
|
Pt
|
1
|
Platinum
|
78
|
V
|
2
|
Vanadium
|
23
|
Au
|
1
|
Gold
|
79
|
Cr
|
1
|
Chromium
|
24
|
Hg
|
2
|
Mercury
|
80
|
Mn
|
2
|
Manganese
|
25
|
Tl
|
3
|
Thallium
|
81
|
Fe
|
2
|
Iron
|
26
|
Pb
|
4
|
Lead
|
82
|
Co
|
2
|
Cobalt
|
27
|
Bl
|
5
|
Bismuth
|
83
|
Ni
|
2
|
Nickel
|
28
|
Po
|
6
|
Polonium
|
84
|
Cu
|
1
|
Copper
|
29
|
At
|
7
|
Astatine
|
85
|
Zn
|
2
|
Zinc
|
30
|
Rd
|
8
|
Radon
|
86
|
Ga
|
3
|
Gallium
|
31
|
Fr
|
1
|
Francium
|
87
|
Ge
|
4
|
Germanium
|
32
|
Ra
|
2
|
Radium
|
88
|
As
|
5
|
Arsenic
|
33
|
Ac
|
2
|
Actinium
|
89
|
Se
|
6
|
Selenium
|
34
|
Th
|
2
|
Thorium
|
90
|
Br
|
7
|
Bromine
|
35
|
Pa
|
2
|
Protactinium
|
91
|
Kr
|
8
|
Krypton
|
36
|
U
|
2
|
Uranium
|
92
|
Rb
|
1
|
Rubidium
|
37
|
Artifical Elements
|
Sr
|
2
|
Strontium
|
38
|
|||
Y
|
2
|
Yttrium
|
39
|
||||
Zr
|
2
|
Zirconium
|
40
|
||||
Np
|
2
|
Neptunium
|
93
|
Nb
|
1
|
Niobium
|
41
|
Pu
|
2
|
Plutonium
|
94
|
Mo
|
1
|
Molybdenum
|
42
|
Am
|
2
|
Americium
|
95
|
Tc
|
2
|
Technetium
|
43
|
Cm
|
2
|
Curium
|
96
|
Ru
|
1
|
Ruthenium
|
44
|
Bk
|
2
|
Berkelium
|
97
|
Rh
|
1
|
Rhodium
|
45
|
Cf
|
2
|
Californium
|
98
|
Pd
|
-
|
Palladium
|
46
|
E
|
2
|
Einsteinium
|
99
|
Ag
|
1
|
Silver
|
47
|
Fm
|
2
|
Fermium
|
100
|
Cd
|
2
|
Cadmium
|
48
|
Mv
|
2
|
Mendelevium
|
101
|
In
|
3
|
Indium
|
49
|
No
|
2
|
Nobelium
|
102
|
Sn
|
4
|
Tin
|
50
|
Lw
|
2
|
Lawrencium
|
103
|
Sb
|
5
|
Antimony
|
51
|
Te
|
6
|
Tellurium
|
52
|
||||
I
|
7
|
Iodine
|
53
|
||||
Xe
|
8
|
Xenon
|
54
|
||||
Cs
|
1
|
Cesium
|
55
|
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جاري التحميل ...
Periodic Table of the Elements
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