| 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 |
||