Periodic Table

Atomic Number

Symbol
Name

Atomic Mass
H
Hydrogen
1.008
He
Helium
4.003
Li
Lithium
6.941
Be
Beryllium
9.012
B
Boron
10.811
C
Carbon
12.011
N
Nitrogen
14.007
O
Oxygen
15.999
F
Fluorine
18.998
Ne
Neon
20.180
Na
Sodium
22.990
Mg
Magnesium
24.305
3
IIIB
3B
4
IVB
4B
5
VB
5B
6
VIB
6B
7
VIIB
7B
8 9
VIII
8
10 11
IB
1B
12
IIB
2B
Al
Aluminium
26.982
Si
Silicon
28.086
P
Phosphorus
30.974
S
Sulfur
32.065
Cl
Chlorine
35.453
Ar
Argon
39.948
K
Potassium
39.098
Ca
Calcium
40.078
Sc
Scandium
44.956
Ti
Titanium
47.867
V
Vanadium
50.942
Cr
Chromium
51.996
Mn
Manganese
54.938
Fe
Iron
55.933
Co
Cobalt
58.933
Ni
Nickel
58.693
Cu
Copper
63.546
Zn
Zinc
65.38
Ga
Gallium
69.723
Ge
Germanium
72.61
As
Arsenic
74.922
Se
Selenium
78.972
Br
Bromine
79.904
Kr
Krypton
83.798
Rb
Rubidium
85.467
Sr
Strontium
87.62
Y
Yttrium
88.906
Zr
Zirconium
91.224
Nb
Niobium
92.906
Mo
Molybdenum
95.95
Tc
Technetium
(98)
Ru
Ruthenium
101.07
Rh
Rhodium
102.905
Pd
Palladium
106.42
Ag
Silver
107.868
Cd
Cadmium
112.414
In
Indium
114.818
Sn
Tin
118.710
Sb
Antimony
121.760
Te
Tellurium
127.60
I
Iodine
126.904
Xe
Xenon
131.293
Cs
Cesium
132.905
Ba
Barium
137.327
Hf
Hafnium
178.49
Ta
Tantalum
180.947
W
Tungsten
183.84
Re
Rhenium
186.207
Os
Osmium
190.23
Ir
Iridium
192.217
Pt
Platinum
195.084
Au
Gold
196.966
Hg
Mercury
200.592
Tl
Thallium
204.38
Pb
Lead
207.2
Bi
Bismuth
208.980
Po
Polonium
[208.982]
At
Astatine
209.987
Rn
Radon
222.018
Fr
Francium
223.020
Ra
Radium
226.025
Rf
Rutherfordium
(267)
Db
Dubnium
(268)
Sg
Seaborgium
(271)
Bh
Bohrium
(270)
Hs
Hassium
(277)
Mt
Meitnerium
(276)
Ds
Darmstadtium
(281)
Rg
Roentgenium
(282)
Cn
Copernicium
(285)
Nh
Nihonium
(286)
Fl
Flerovium
(289)
Mc
Moscovium
(290)
Lv
Livermorium
(293)
Ts
Tennessine
(294)
Og
Oganesson
(294)
Lanthanides La
Lanthanum
138.904
Ce
Cerium
140.116
Pr
Praseodymium
140.907
Nd
Neodymium
144.242
Pm
Promethium
(145)
Sm
Samarium
150.36
Eu
Europium
151.964
Gd
Gadolinium
157.25
Tb
Terbium
158.925
Dy
Dysprosium
162.500
Ho
Holmium
164.930
Er
Erbium
167.259
Tm
Thulium
168.934
Yb
Ytterbium
173.04
Lu
Lutetium
174.966
Actinides Ac
Actinium
227.028
Th
Thorium
232.038
Pa
Protactinium
231.035
U
Uranium
238.028
Np
Neptunium
237.048
Pu
Plutonium
244.064
Am
Americium
243.061
Cm
Curium
247.070
Bk
Berkelium
247.070
Cf
Californium
251.079
Es
Einsteinium
252.083
Fm
Fermium
257.095
Md
Mendelevium
258.100
No
Nobelium
259.101
Lr
Lawrencium
262.11