Periodic Table of the Elements

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Symbol Element Atomic Number Atomic Weight
H hydrogen 1 1.0079
He helium 2 4.0026
Li lithium 3 6.941
Be beryllium 4 9.0122
B boron 5 10.811
C carbon 6 12.011
N nitrogen 7 14.007
O oxygen 8 15.999
F fluorine 9 18.998
Ne neon 10 20.18
Na sodium 11 22.99
Mg magnesium 12 24.305
Al aluminium 13 26.982
Si silicon 14 28.086
P phosphorus 15 30.974
S sulfur 16 32.065
Cl chlorine 17 35.453
Ar argon 18 39.948
K potassium 19 39.098
Ca calcium 20 40.078
Sc scandium 21 44.956
Ti titanium 22 47.867
V vanadium 23 50.942
Cr chromium 24 51.996
Mn manganese 25 54.938
Fe iron 26 55.845
Co cobalt 27 58.933
Ni nickel 28 58.693
Cu copper 29 63.546
Zn zinc 30 65.38
Ga gallium 31 69.723
Ge germanium 32 72.64
As arsenic 33 74.922
Se selenium 34 78.96
Br bromine 35 79.904
Kr krypton 36 83.798
Rb rubidium 37 85.468
Sr strontium 38 87.62
Y yttrium 39 88.906
Zr zirconium 40 91.224
Nb niobium 41 92.906
Mo molybdenum 42 95.96
Tc technetium 43 98.9062
Ru ruthenium 44 101.07
Rh rhodium 45 102.91
Pd palladium 46 106.42
Ag silver 47 107.87
Cd cadmium 48 112.41
In indium 49 114.82
Sn tin 50 118.71
Sb antimony 51 121.76
Te tellurium 52 127.6
I iodine 53 126.9
Xe xenon 54 131.29
Cs caesium 55 132.91
Ba barium 56 137.33
La lanthanum 57 138.91
Ce cerium 58 140.12
Pr praseodymium 59 140.91
Nd neodymium 60 144.24
Pm promethium 61 145
Sm samarium 62 150.36
Eu europium 63 151.96
Gd gadolinium 64 157.25
Tb terbium 65 158.93
Dy dysprosium 66 162.5
Ho holmium 67 164.93
Er erbium 68 167.26
Tm thulium 69 168.93
Yb ytterbium 70 173.05
Lu lutetium 71 174.97
Hf hafnium 72 178.49
Ta tantalum 73 180.95
W tungsten 74 183.84
Re rhenium 75 186.21
Os osmium 76 190.23
Ir iridium 77 192.22
Pt platinum 78 195.08
Au gold 79 196.97
Hg mercury 80 200.59
Tl thallium 81 204.38
Pb lead 82 207.2
Bi bismuth 83 208.98
Po polonium 84 209
At astatine 85 210
Rn radon 86 222
Fr francium 87 223
Ra radium 88 226.0254
Ac actinium 89 227
Th thorium 90 232.04
Pa protactinium 91 231.04
U uranium 92 238.03
Np neptunium 93 237.0482
Pu plutonium 94 244
Am americium 95 243
Cm curium 96 247
Bk berkelium 97 247
Cf californium 98 251
Es einsteinium 99 252
Fm fermium 100 257
Md mendelevium 101 258
No nobelium 102 259
Lr lawrencium 103 262
Rf rutherfordium 104 267
Db dubnium 105 268
Sg seaborgium 106 271
Bh bohrium 107 272
Hs hassium 108 270
Mt meitnerium 109 276
Ds darmstadtium 110 281
Rg roentgenium 111 280
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