| Elements Listed by Atomic Mass | ||
| Name | Sym | Atomic Mass |
| Darmstadtium | Ds | [281] |
| Roentgenium | Rg | [272] |
| Hassium | Hs | [269] |
| Meitnerium | Mt | [268] |
| Seaborgium | Sg | [266] |
| Bohrium | Bh | [264] |
| Dubnium | Db | [262] |
| Lawrencium | Lr | [262] |
| Rutherfordium | Rf | [261] |
| Nobelium | No | [259] |
| Mendelevium | Md | [258] |
| Fermium | Fm | [257] |
| Einsteinium | Es | [252] |
| Californium | Cf | [251] |
| Berkelium | Bk | [247] |
| Curium | Cm | [247] |
| Plutonium | Pu | [244] |
| Americium | Am | [243] |
| Uranium | U | 238.02891(3) |
| Neptunium | Np | [237] |
| Thorium | Th | 232.0381 |
| Protactinium | Pa | 231.03588 |
| Actinium | Ac | [227] |
| Radium | Ra | [226] |
| Francium | Fr | [223] |
| Radon | Rn | [222] |
| Astatine | At | [210] |
| Polonium | Po | [209] |
| Bismuth | Bi | 208.98038(2) |
| Lead | Pb | 207.2(1) |
| Thallium | Tl | 204.3833 |
| Mercury | Hg | 200.59 |
| Gold | Au | 196.96655 |
| Platinum | Pt | 195.078 |
| Iridium | Ir | 192.217(3) |
| Osmium | Os | 190.23(3) |
| Rhenium | Re | 186.207(1) |
| Tungsten | W | 183.84 |
| Tantalum | Ta | 180.9479 |
| Hafnium | Hf | 178.49 |
| Lutetium | Lu | 174.967(1) |
| Ytterbium | Yb | 173.04(3) |
| Thulium | Tm | 168.93421 |
| Erbium | Er | 167.259(3) |
| Holmium | Ho | 164.93032 |
| Dysprosium | Dy | 162.500(1) |
| Terbium | Tb | 158.92534 |
| Gadolinium | Gd | 157.25 |
| Europium | Eu | 151.964(1) |
| Samarium | Sm | 150.36 |
| Promethium | Pm | [145] |
| Neodymium | Nd | 144.24 |
| Praseodymium | Pr | 140.90765(2) |
| Cerium | Ce | 140.116 |
| Lanthanum | La | 138.9055(2) |
| Barium | Ba | 137.327(7) |
| Caesium | Cs | 132.90545 |
| Xenon | Xe | 131.293(6) |
| Tellurium | Te | 127.60 |
| Iodine | I | 126.90447(3) |
| Antimony | Sb | 121.760(1) |
| Tin | Sn | 118.710 |
| Indium | In | 114.818(3) |
| Cadmium | Cd | 112.411 |
| Silver | Ag | 107.8682 |
| Palladium | Pd | 106.42(1) |
| Rhodium | Rh | 102.90550(2) |
| Ruthenium | Ru | 101.07(2) |
| Technetium | Tc | [98] |
| Molybdenum | Mo | 95.94 |
| Niobium | Nb | 92.90638 |
| Zirconium | Zr | 91.224(2) |
| Yttrium | Y | 88.90585(2) |
| Strontium | Sr | 87.62 |
| Rubidium | Rb | 85.4678(3) |
| Krypton | Kr | 83.798 |
| Bromine | Br | 79.904 |
| Selenium | Se | 78.96 |
| Arsenic | As | 74.92160(2) |
| Germanium | Ge | 72.64 |
| Gallium | Ga | 69.723 |
| Copper | Cu | 63.546 |
| Zinc | Zn | 65.409(4) |
| Cobalt | Co | 58.933200 |
| Nickel | Ni | 58.6934 |
| Iron | Fe | 55.845(2) |
| Manganese | Mn | 54.938049 |
| Chromium | Cr | 51.9961 |
| Vanadium | V | 50.9415(1) |
| Titanium | Ti | 47.867 |
| Scandium | Sc | 44.955910 |
| Calcium | Ca | 40.078 |
| Argon | Ar | 39.948(1) |
| Potassium | K | 39.0983 |
| Chlorine | Cl | 35.453 |
| Sulfur | S | 32.065 |
| Phosphorus | P | 30.973761 |
| Silicon | Si | 28.0855 |
| Aluminium | Al | 26.981538(2) |
| Magnesium | Mg | 24.3050 |
| Sodium | Na | 22.989770 |
| Neon | Ne | 20.1797 |
| Fluorine | F | 18.9984032(5) |
| Oxygen | O | 15.9994(3) |
| Nitrogen | N | 14.0067 |
| Carbon | C | 12.0107 |
| Boron | B | 10.811(7) |
| Beryllium | Be | 9.012182(3) |
| Lithium | Li | [6.941(2)] |
| Helium | He | 4.002602 |
| Hydrogen | H | 1.00794 |