H
Hydrogen
1.0079
He
Helium
4.0026
Li
Lithium
6.941
Be
Beryllium
9.0122
B
Boron
10.811
C
Carbon
12.0107
N
Nitrogen
14.0067
O
Oxygen
15.9994
F
Fluorine
18.9984
Ne
Neon
20.1797
Na
Sodium
22.9897
Mg
Magnesium
24.305
Al
Aluminum
26.9815
Si
Silicon
28.0855
P
Phosphorus
30.9738
S
Sulfur
32.065
Cl
Chlorine
35.453
Ar
Argon
39.948
K
Potassium
39.0983
Ca
Calcium
40.078
Sc
Scandium
44.9559
Ti
Titanium
47.867
V
Vanadium
50.9415
Cr
Chromium
51.9961
Mn
Manganese
54.938
Fe
Iron
55.845
Co
Cobalt
58.9332
Ni
Nickel
58.6934
Cu
Copper
63.546
Zn
Zinc
65.39
Ga
Gallium
69.723
Ge
Germanium
72.64
As
Arsenic
74.9216
Se
Selenium
78.96
Br
Bromine
79.904
Kr
Krypton
83.8
Rb
Rubidium
85.4678
Sr
Strontium
87.62
Y
Yttrium
88.9059
Zr
Zirconium
91.224
Nb
Niobium
92.9064
Mo
Molybdenum
95.94
Tc
Technetium
98
Ru
Ruthenium
101.07
Rh
Rhodium
102.9055
Pd
Palladium
106.42
Ag
Silver
107.8682
Cd
Cadmium
112.411
In
Indium
114.818
Sn
Tin
118.71
Sb
Antimony
121.76
Te
Tellurium
127.6
I
Iodine
126.9045
Xe
Xenon
131.293
Cs
Cesium
132.9055
Ba
Barium
137.327
La
Lanthanum
138.9055
Ce
Cerium
140.116
Pr
Praseodymium
140.9077
Nd
Neodymium
144.24
Pm
Promethium
145
Sm
Samarium
150.36
Eu
Europium
151.964
Gd
Gadolinium
157.25
Tb
Terbium
158.9253
Dy
Dysprosium
162.5
Ho
Holmium
164.9303
Er
Erbium
167.259
Tm
Thulium
168.9342
Yb
Ytterbium
173.04
Lu
Lutetium
174.967
Hf
Hafnium
178.49
Ta
Tantalum
180.9479
W
Tungsten
183.84
Re
Rhenium
186.207
Os
Osmium
190.23
Ir
Iridium
192.217
Pt
Platinum
195.078
Au
Gold
196.9665
Hg
Mercury
200.59
Tl
Thallium
204.3833
Pb
Lead
207.2
Bi
Bismuth
208.9804
Po
Polonium
209
At
Astatine
210
Rn
Radon
222
Fr
Francium
223
Ra
Radium
226
Ac
Actinium
227
Th
Thorium
232.0381
Pa
Protactinium
231.0359
U
Uranium
238.0289
Np
Neptunium
237
Pu
Plutonium
244
Am
Americium
243
Cm
Curium
247
Bk
Berkelium
247
Cf
Californium
251
Es
Einsteinium
252
Fm
Fermium
257
Md
Mendelevium
258
No
Nobelium
259
Lr
Lawrencium
262
Rf
Rutherfordium
261
Db
Dubnium
262
Sg
Seaborgium
266
Bh
Bohrium
264
Hs
Hassium
277
Mt
Meitnerium
268