H  Hydrogen        1.00794
He Helium          4.002602
Li Lithium         6.941
Be Beryllium       9.012182
B  Boron          10.811
C  Carbon         12.0107
N  Nitrogen       14.0067
O  Oxygen         15.9994
F  Fluorine       18.9984032
Ne Neon           20.1797
Na Sodium         22.98976928
Mg Magnesium      24.3050
Al Aluminium      26.9815386
Si Silicon        28.0855
P  Phosphorus     30.973762
S  Sulfur         32.065
Cl Chlorine       35.453
Ar Argon          39.948
K  Potassium      39.0983
Ca Calcium        40.078
Sc Scandium       44.955912
Ti Titanium       47.867
V  Vanadium       50.9415
Cr Chromium       51.9961
Mn Manganese      54.938045
Fe Iron           55.845
Co Cobalt         58.933195
Ni Nickel         58.6934
Cu Copper         63.546
Zn Zinc           65.38
Ga Gallium        69.723
Ge Germanium      72.64
As Arsenic        74.92160
Se Selenium       78.96
Br Bromine        79.904
Kr Krypton        83.798
Rb Rubidium       85.4678
Sr Strontium      87.62
Y  Yttrium        88.90585
Zr Zirconium      91.224
Nb Niobium        92.90638
Mo Molybdenum     95.96
Tc Technetium     98
Ru Ruthenium     101.07
Rh Rhodium       102.90550
Pd Palladium     106.42
Ag Silver        107.8682
Cd Cadmium       112.411
In Indium        114.818
Sn Tin           118.710
Sb Antimony      121.760
Te Tellurium     127.60
I  Iodine        126.90447
Xe Xenon         131.293
Cs Caesium       132.9054519
Ba Barium        137.327
La Lanthanum     138.90547
Ce Cerium        140.116
Pr Praseodymium  140.90765
Nd Neodymium     144.242
Pm Promethium    145
Sm Samarium      150.36
Eu Europium      151.964
Gd Gadolinium    157.25
Tb Terbium       158.92535
Dy Dysprosium    162.500
Ho Holmium       164.93032
Er Erbium        167.259
Tm Thulium       168.93421
Yb Ytterbium     173.054
Lu Lutetium      174.9668
Hf Hafnium       178.49
Ta Tantalum      180.94788
W  Tungsten      183.84
Re Rhenium       186.207
Os Osmium        190.23
Ir Iridium       192.217
Pt Platinum      195.084
Au Gold          196.966569
Hg Mercury       200.59
Tl Thallium      204.3833
Pb Lead          207.2
Bi Bismuth       208.98040
Po Polonium      209
At Astatine      210
Rn Radon         222
Fr Francium      223
Ra Radium        226
Ac Actinium      227
Th Thorium       232.03806
Pa Protactinium  231.03588
U  Uranium       238.02891
Np Neptunium     237
Pu Plutonium     244
Am Americium     243
Cm Curium        247
Bk Berkelium     247
Cf Californium   251
Es Einsteinium   252
Fm Fermium       257
Md Mendelevium   258
No Nobelium      259
Lr Lawrencium    262
Rf Rutherfordium 267