Periodic Table Of The Elements
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1Periodic Table of the Elements
1
18
Groups
1
2
H
He
Atomic number
2
14
15
16
13
17
1
Hydrogen
Helium
H
Symbol
1.00794
4.002602
3
4
5
6
8
Name
7
9
10
Li
Be
C
N
O
Hydrogen
B
F
Ne
1.00794
Atomic weight
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
6.941
9.012182
10.811
12.0170
14.0067
15.9994
18.9984032
20.1797
11
12
13
14
15
16
17
18
Na
Mg
Al
Si
P
S
Cl
Ar
3
4
5
6
7
8
9
10
11
12
Sodium
Magnesium
Aluminium
Silicon
Phosphorus
Sulfur
Chlorine
Argon
22.98976928
24.3050
26.9815386
28.0855
30.973762
32.065
35.453
39.948
20
22
24
25
26
27
28
29
31
19
21
23
30
32
34
35
36
33
K
Ca
Sc
Ti
V
Cr Mn Fe Co Ni
Cu Zn Ga Ge As Se Br Kr
Potassium
Calcium
Scandium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Gallium
Germanium
Arsenic
Selenium
Bromine
Krypton
39.0983
40.078
44.955912
47.867
50.9415
51.9961
54.938045
55.845
58.933195
58.6934
63.546
65.409
69.723
72.64
78.96
79.904
74.92160
83.798
37
38
40
41
43
46
47
48
39
42
44
45
49
50
51
52
53
54
Rb
Sr
Y
Zr Nb Mo Tc Ru Rh Pd Ag Cd
In Sn Sb Te
I
Xe
Rubidium
Strontium
Yttrium
Zirconium
Niobium
Molybdenum
Technetium
Ruthenium
Rhodium
Palladium
Silver
Cadmium
Indium
Tin
Antimony
Tellurium
Iodine
Xenon
[98]
85.4678
87.62
88.90585
91.224
92.90638
95.94
101.07
102.90550
106.42
107.8682
112.411
114.818
118.710
121.760
127.60
126.90447
131.293
55
56
72
74
82
57
73
75
76
77
78
79
80
81
83
84
85
86
Cs
Ba
La
Hf
Ta
W
Re Os
Ir
Pt
Au Hg Tl
Pb
Bi Po At Rn
Caesium
Barium
Lanthanum
Hafnium
Tantalum
Tungsten
Rhenium
Osmium
Iridium
Platinum
Gold
Mercury
Thallium
Lead
Bismuth
Polonium
Astatine
Radon
138.90547
[209]
[210]
[222]
132.9054519
137.327
178.49
180.94788
183.84
186.207
190.23
192.217
195.084
196.966569
200.59
204.3833
207.2
208.98040
88
104
105
106
107
109
110
111
116
87
89
108
112
113
114
115
117
118
Fr
Ra
Ac
Rf Db Sg Bh Hs Mt Ds Rg
Uub Uut Uuq Uup Uuh Uus Uuo
Francium
Radium
Actinium
Rutherfordium
Dubnium
Seaborgium
Bohrium
Ununbium
Ununtrium
Ununquadrium
Ununpentium
Ununhexium
Ununseptium
Ununoctium
Hassium
Meitnerium
Darmstadtium
Roentgenium
[227]
[261]
[262]
[223]
[226]
[266]
[264]
[227]
[268]
[271]
[272]
58
59
61
64
66
67
68
60
62
63
65
69
71
70
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Lanthanide series
Cerium
Praseodymium
Neodymium
Promethium
Samarium
Europium
Gadolinium
Terbium
Dysprosium
Holmium
Erbium
Ytterbium
Lutetium
Thulium
[145]
140.116
140.90765
144.242
150.36
151.964
157.25
158.92535
162.500
164.93032
167.259
168.93421
173.04
174.967
91
98
101
90
92
93
94
95
96
97
102
103
99
100
Th Pa
U
Np Pu Am Cm Bk Cf
Es Fm Md No Lr
Actinide series
Thorium
Protactinium
Uranium
Neptunium
Plutonium
Americium
Curium
Berkelium
Californium
Fermium
Lawrencium
Einsteinium
Mendelevium
Nobelium
221009
[244]
[243]
[247]
[247]
[251]
[252]
[257]
[258]
[259]
[262]
232.03806
231.03588
238.02891
[237]
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