Periodic Table Of Elements
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1Periodic Table of Elements
Periodic Table of Elements
IA
VIIIA
2
1
2
H
He
Hydrogen
Helium
IIA
IIIA
IVA
VA
VIA
VIIA
1.00797
4.0026
Atomic Number
2
3
4
1
5
6
7
8
9
10
Symbol
Li
Be
H
B
C
N
O
F
Ne
8
Name
Lithium
Beryllium
Hydrogen
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
6.939
9.0122
1.00797
Atomic Weight
10.811
12.01115
14.0067
15.9994
18.9984
20.183
2
11
12
13
14
15
16
17
18
Na Mg
Na Mg
Al
Al
Si
Si
P
P
S
S
Cl
Cl
Ar
Ar
8
8
8
Sodium
Magnesium
Aluminum
Silicon
Phosphorus
Sulfur
Chlorine
Argon
VIIB ⎡
⎤
22.9898
24.312
IIIB
IVB
VB
VIB
VIIIB
IB
IIB
26.9815
28.086
30.9738
32.064
35.453
39.948
2
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
K
Ca
Sc
Ti
V
Cr Mn Fe
Co
Ni
Cu Zn Ga Ge
As
Se
Br
Kr
8
18
8
Potassium
Calcium
Scandium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Gallium
Germanium
Arsenic
Selenium
Bromine
Krypton
39.102
40.08
44.958
47.90
50.942
51.996
54.938
55.847
58.933
58.71
63.54
65.37
69.72
72.59
74.922
78.96
79.909
83.80
2
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Rb
Sr
Y
Zr
Nb Mo Tc Ru Rh Pd Ag Cd
In
Sn
Sb
Te
I
Xe
8
18
18
Rubidium
Strontium
Yttrium
Zirconium
Niobium
Molybdeum
Technetium
Ruthenium
Rhodium
Palladium
Silver
Cadmium
Indium
Tin
Antimony
Tellurium
Iodine
Xenon
8
85.47
87.62
88.905
91.22
92.906
95.94
[98]
101.07
102.905
106.4
107.87
112.40
114.82
118.69
121.75
127.60
126.904
131.30
2
55
56
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
57−71
Cs
Ba
Hf
Ta
W
Re
Os
Ir
Pt
Au Hg
Tl
Pb
Bi
Po
At Rn
8
18
32
Cesium
Barium
Hafnium
Tantalum
Tungsten
Rhenium
Osmium
Iridium
Platinum
Gold
Mercury
Thallium
Lead
Bismuth
Polonium
Astatine
Radon
18
132.905
137.34
178.49
180.948
183.85
186.2
190.2
192.2
195.09
196.967
200.59
204.37
207.19
208.98
[210]
[210]
[222]
8
89 −103
87
88
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
Fr
Ra
Rf
Db Sg Bh Hs Mt Ds Rg
Uub
Francium
Radium
Rutherford
Dubnium
Seaborgium
Bohrium
Hassium
Meitnerium
[223]
[226]
[261]
[262]
[263]
[262]
[265]
[266]
[269]
[272]
[277]
[285]
[289]
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
La
Ce
Pr Nd Pm Sm Eu Gd Tb Dy Ho
Er Tm Yb Lu
L th
Lanthanum
C i
Cerium
N d
Neodymium Promethium
i
P
thi
S
Samarium
i
E
Europium
i
G d li i
Gadolinium
T bi
Terbium
D
Dysprosium
i
H l i
Holmium
E bi
Erbium
Th li
Thulium
Ytt bi
Ytterbium
L t ti
Lutetium
P
Praeseodymium
d
i
138.91
140.12
140.907
144.24
[147]
150.35
151.96
157.25
158.924
162.50
164.930
167.26
168.934
173.04
174.97
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
Ac
Th Pa
U
Np Pu Am Cm Bk
Cf
Es Fm Md No
Lr
Actinium
Thorium
Protacinium
Uranium
Neptunium
Plutonium
Americium
Curium
Berkelium
Californium
Einsteinium
Fermium
Mendelevium
Nobelium
Lawrencium
[227]
232.038
[231]
238.03
[237]
[242]
[243]
[247]
[247]
[249]
[254]
[253]
[256]
[254]
[257]
A.Stovall ~ 9/15/2008
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