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Standard Atomic Weights Of Commonly Encountered
Elements in reverse order of Symbol

Symbol Name Atomic Number Atomic Weight
Zr Zirconium 40 91.220
Zn Zinc 30 65.380
Y Yttrium 39 88.90585
Xe Xenon 54 131.293
W Tungsten 74 183.850
V Vanadium 23 50.942
U Uranium 92 238.029
Tl Thallium 81 204.38
Ti Titanium 22 47.880
Ta Tantalum 73 180.948
Sr Strontium 38 87.620
Sn Tin 50 118.690
Si Silicon 14 28.086
Se Selenium 34 78.960
Sc Scandium 21 44.9559
Sb Antimony 51 121.750
S Sulphur 16 32.060
Ru Ruthenium 44 101.070
Rh Rhodium 45 102.906
Rb Rubidium 37 85.468
Pt Platinum 78 195.080
Pd Palladium 46 106.420
Pb Lead 82 207.200
P Phosphorus 15 30.974
Os Osmium 76 190.200
O Oxygen 8 15.999
Ni Nickel 28 58.690
Ne Neon 10 20.1797
Nb Niobium 41 92.906
Na Sodium 11 22.990
N Nitrogen 7 14.007
Mo Molybdenum 42 95.940
Mn Manganese 25 54.938
Symbol Name Atomic Number Atomic Weight
Mg Magnesium 12 24.305
Li Lithium 3 6.941
Kr Krypton 36 83.800
K Potassium 19 39.098
Ir Iridium 77 192.220
In Indium 49 114.820
53 Iodine I 126.90
Hg Mercury 80 200.590
Hf Hafnium 72 178.490
He Helium 2 4.003
H Hydrogen 1 1.008
Ge Germanium 32 72.590
Ga Gallium 31 69.723
Fe Iron 26 55.847
F Fluorine 9 18.998
Cu Copper 29 63.546
Cs Caesium 55 132.905
Cr Chromium 24 51.996
Co Cobalt 27 58.933
Cl Chlorine 17 35.453
Cd Cadmium 48 112.410
Ca Calcium 20 40.080
C Carbon 6 12.011
Br Bromine 35 79.904
Bi Bismuth 83 208.980
Be Beryllium 4 9.012
Ba Barium 56 137.330
B Boron 5 10.810
Au Gold 79 196.967
As Arsenic 33 74.922
Ar Argon 18 39.948
Al Aluminium 13 26.982
Ag Silver 47 107.868

Full periodic table

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