Hydrogen 1.0078
Helium 4.0026
Lithium 6.9410
Beryllium 9.0122
Boron 10.811
Carbon 12.0107
Nitrogen 14.0067
Oxygen 15.9994
Fluorine 18.9984
Neon 20.1797
Sodium 22.9897
Magnesium 24.305
Aluminium 26.9815
Silicon 28.0855
Phosphorus 30.9738
Sulfur 32.065
Chlorine 35.453
Argon 39.948
Potassium 39.0983
Calcium 40.078
Scandium 44.9559
Titanium 47.867
Vanadium 50.9415
Chromium 51.9961
Manganese 54.938
Iron 55.845
Cobalt 58.9332
Nickel 58.6934
Copper 63.546
Zinc 65.38
Gallium 69.723
Germanium 72.63
Arsenic 74.9216
Selenium 78.96
Bromine 79.904
Krypton 83.798
Rubidium 85.4678
Strontium 87.62
Yttrium 88.9058
Zirconium 91.224
Niobium 92.9064
Molybdenum 95.94
Technetium 98
Ruthenium 101.07
Rhodium 102.9055
Palladium 106.42
Silver 107.8682
Cadmium 112.411
Indium 114.818
Tin 118.71
Antimony 121.76
Tellurium 127.6
Iodine 126.9045
Xenon 131.293
Cesium 132.9055
Barium 137.327
Lanthanoid Series
Hafnium 178.49
Tantalum 180.9479
Tungsten 183.84
Rhenium 186.207
Osmium 190.23
Iridium 192.217
Platinum 195.078
Gold 196.966
Mercury 200.59
Thallium 204.3833
Lead 207.2
Bismuth 208.9804
Polonium 209
Astatine 210
Radon 222
Francium 223
Radium 226
Actinoid Series
Rutherfordium 267
Dubnium 268
Seaborgium 271
Bohrium 272
Hassium 270
Meitnerium 276
Darmstadtium 281
Roentgenium 280
Copernicium 285
Nihonium 286
Flerovium 290
Moscovium 290
Livermorium 293
Tennessine 294
Oganesson 294
Lanthanum 138.9055
Cerium 140.12
Praseodymium 140.90765
Neodymium 144.24
Promethium 145
Samarium 150.36
Europium 151.964
Gadolinium 157.25
Terbium 158.92535
Dysprosium 162.5
Holmium 164.93032
Erbium 167.259
Thulium 168.93421
Ytterbium 173.04
Lutetium 174.96681
Actinium 227
Thorium 232.0377
Protactinium 231.0359
Uranium 238.0289
Neptunium 237
Plutonium 244
Americium 243
Curium 247
Berkelium 247
Californium 251
Einsteinium 252
Fermium 257
Mendelevium 258
Nobelium 259
Lawrencium 266