H
1.0079 1
Hydrogen
He
4.0026 2
Helium
Li
6.941 3
Lithium
Be
9.0122 4
Beryllium
B
10.811 5
Boron
C
12.0107 6
Carbon
N
14.0067 7
Nitrogen
O
15.9994 8
Oxygen
F
18.9984 9
Fluorine
Ne
20.1797 10
Neon
Na
22.9897 11
Sodium
Mg
24.305 12
Magnesium
Al
26.9815 13
Aluminum
Si
28.0855 14
Silicon
P
30.9738 15
Phosphorus
S
32.065 16
Sulfur
Cl
35.453 17
Chlorine
Ar
39.948 18
Argon
K
39.0983 19
Potassium
Ca
40.078 20
Calcium
Sc
44.9559 21
Scandium
Ti
47.867 22
Titanium
V
50.9415 23
Vanadium
Cr
51.9961 24
Chromium
Mn
54.938 25
Manganese
Fe
55.845 26
Iron
Co
58.9332 27
Cobalt
Ni
58.6934 28
Nickel
Cu
63.546 29
Copper
Zn
65.39 30
Zinc
Ga
69.723 31
Gallium
Ge
72.64 32
Germanium
As
74.9216 33
Arsenic
Se
44.9559 34
Selenium
Br
79.904 35
Bromine
Kr
83.8 36
Krypton
Rb
85.4678 37
Rubidium
Sr
87.62 38
Strontium
Y
88.9059 39
Yttrium
Zr
91.224 40
Zirconium
Nb
92.9064 41
Niobium
Mo
95.94 42
Molybdenum
Tc
98 43
Technetium
Ru
101.07 44
Ruthenium
Rh
102.9055 45
Rhodium
Pd
106.42 46
Palladium
Ag
107.8682 47
Silver
Cd
112.411 48
Cadmium
In
114.818 49
Indium
Sn
118.71 50
Tin
Sb
121.76 51
Antimony
Te
127.6 52
Tellurium
I
126.9045 53
Iodine
Xe
131.293 54
Xenon
Cs
132.9055 55
Cesium
Ba
137.327 56
Barium
La
138.9055 57
Lanthanum
Ce
140.116 58
Cerium
Pr
140.9077 59
Praseodymium
Nd
144.24 60
Neodymium
Pm
145 61
Promethium
Sm
150.36 62
Samarium
Eu
151.964 63
Europium
Gd
157.25 64
Gadolinium
Tb
158.9253 65
Terbium
Dy
162.5 66
Dysprosium
Ho
164.9303 67
Holmium
Er
167.259 68
Erbium
Tm
168.9342 69
Thulium
Yb
173.04 70
Ytterbium
Lu
174.967 71
Lutetium
Hf
178.49 72
Hafnium
Ta
180.9479 73
Tantalum
W
183.84 74
Tungsten
Re
186.207 75
Rhenium
Os
190.23 76
Osmium
Ir
192.217 77
Iridium
Pt
195.078 78
Platinum
Au
196.9665 79
Gold
Hg
200.59 80
Mercury
Tl
204.3833 81
Thallium
Pb
207.2 82
Lead
Bi
208.9804 83
Bismuth
Po
209 84
Polonium
At
210 85
Astatine
Rn
222 86
Radon
Fr
223 87
Francium
Ra
226 88
Radium
Ac
227 89
Actinium
Th
232.0381 90
Thorium
Pa
106.42 91
Protactinium
U
238.0289 92
Uranium
Np
237 93
Neptunium
Pu
244 94
Plutonium
Am
243 95
Americium
Cm
247 96
Curium
Bk
247 97
Berkelium
Cf
251 98
Californium
Es
252 99
Einsteinium
Fm
257 100
Fermium
Md
258 101
Mendelevium
No
259 102
Nobelium
Lr
262 103
Lawrencium
Rf
261 104
Rutherfordium
Db
262 105
Dubnium
Sg
266 106
Seaborgium
Bh
264 107
Bohrium
Hs
277 108
Hassium
Mt
268 109
Meitnerium
Ds
108 110
Darmstadtium
Rg
282 111
Roentgenium
Cn
285 112
Copernicium
Uut
112 113
Ununtrium
Fl
289 114
Flerovium
Uup
114 115
Ununpentium
Lv
293 116
Livermorium
Uus
116 117
Ununseptium
Uuo
117 118
Ununoctium
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