1
H
Hydrogen 1.00794 		2
He
Helium 4.002602
3
Li
Lithium 6.941 		4
Be
Beryllium 9.012182 		5
B
Boron 10.811 		6
C
Carbon 12.0107 		7
N
Nitrogen 14.0067 		8
O
Oxygen 15.9994 		9
F
Fluorine 18.9984032 		10
Ne
Neon 20.1797
11
Na
Sodium 22.98976928 		12
Mg
Magnesium 24.305 		13
Al
Aluminium 26.9815386 		14
Si
Silicon 28.0855 		15
P
Phosphorus 30.973762 		16
S
Sulfur 32.065 		17
Cl
Chlorine 35.453 		18
Ar
Argon 39.948
19
K
Potassium 39.0983 		20
Ca
Calcium 40.078 		21
Sc
Scandium 44.955912 		22
Ti
Titanium 47.867 		23
V
Vanadium 50.9415 		24
Cr
Chromium 51.9961 		25
Mn
Manganese 54.938045 		26
Fe
Iron 55.845 		27
Co
Cobalt 58.933195 		28
Ni
Nickel 58.6934 		29
Cu
Copper 63.546 		30
Zn
Zinc 65.38 		31
Ga
Gallium 69.723 		32
Ge
Germanium 72.63 		33
As
Arsenic 74.9216 		34
Se
Selenium 78.96 		35
Br
Bromine 79.904 		36
Kr
Krypton 83.798
37
Rb
Rubidium 85.4678 		38
Sr
Strontium 87.62 		39
Y
Yttrium 88.90585 		40
Zr
Zirconium 91.224 		41
Nb
Niobium 92.90638 		42
Mo
Molybdenum 95.96 		43
Tc
Technetium 98 		44
Ru
Ruthenium 101.07 		45
Rh
Rhodium 102.9055 		46
Pd
Palladium 106.42 		47
Ag
Silver 107.8682 		48
Cd
Cadmium 112.411 		49
In
Indium 114.818 		50
Sn
Tin 118.71 		51
Sb
Antomony 121.76 		52
Te
Tellurium 127.6 		53
I
Iodine 126.90447 		54
Xe
Xenon 131.293
55
Cs
Caesium 132.9054519 		56
Ba
Barium 137.327 		* 72
Hf
Hafnium 178.49 		73
Ta
Tantalum 180.94788 		74
W
Tungsten 183.84 		75
Re
Rhenium 186.207 		76
Os
Osmium 190.23 		77
Ir
Iridium 192.217 		78
Pt
Platinum 195.084 		79
Au
Gold 196.966569 		80
Hg
Mercury 200.59 		81
Tl
Thallium 204.3833 		82
Pb
Lead 207.2 		83
Bi
Bismuth 208.9804 		84
Po
Polonium 209 		85
At
Astatine 210 		86
Rn
Radon 222
87
Fr
Francium 223 		88
Ra
Radium 226 		** 104
Rf
Rutherfordium 267 		105
Db
Dubnium 268 		106
Sg
Seaborgium 271 		107
Bh
Bohrium 272 		108
Hs
Hassium 270 		109
Mt
Meitnerium 276 		110
Ds
Darmstadtium 281 		111
Rg
Roentgenium 280 		112
Cn
Copernicium 285 		113
Uut
Ununtrium 284 		114
Uuq
Ununqudium 289 		115
Uup
Ununpentium 288 		116
Uuh
Ununhexium 293 		117
Uus
Ununseptium 294 		118
Uuo
Ununoctium 294
* 57
La
Lanthanum 138.90547 		58
Ce
Cerium 140.116 		59
Pr
Praseodynium 140.90765 		60
Nd
Neodynium 144.242 		61
Pm
Promethium 145 		62
Sm
Samarium 150.36 		63
Eu
Europium 151.964 		64
Gd
Gadolinium 157.25 		65
Tb
Terbium 158.92535 		66
Dy
Dysprosium 162.5 		67
Ho
Holmium 164.93032 		68
Er
Erbium 167.259 		69
Tm
Thulium 168.93421 		70
Yb
Ytterbium 173.054 		71
Lu
Lutetium 174.9668
** 89
Ac
Actinium 227 		90
Th
Thorium 232.03806 		91
Pa
Protactinium 231.03588 		92
U
Uranium 238.02891 		93
Np
Neptunium 237 		94
Pu
Plutonium 244 		95
Am
Americium 243 		96
Cm
Curium 247 		97
Bk
Berkelium 247 		98
Cf
Californium 251 		99
Es
Einsteinium 252 		100
Fm
Ferrium 257 		101
Md
Mendelevium 258 		102
No
Nobelium 259 		103
Lr
Lawrencium 262