Table of Atomic Masses
Table of Contents
| Element | Atomic Mass | Element | Atomic Mass | Element | Atomic Mass |
|---|
| Hydrogen, H | 1.00794 | Ruthenium, Ru | 101.07 |
Actinium, Ac | 227.0278 |
| Helium, He | 4.002602 | Rhodium, Rh | 102.90550 |
Thorium, Th | 232.0381 |
| | Palladium, Pd | 106.42 |
Protactinium, Pa | 231.03588 |
| Lithium, Li | 6.941 | Silver, Ag | 107.8682 |
Uranium, U | 238.0289 |
| Beryllium, Be | 9.012182 | Cadmium, Cd | 112.411 |
Neptunium, Np | 237.0482 |
| Boron, B | 10.811 | Indium, In | 114.818 |
Plutonium, Pu | 244.0642 |
|
| Carbon, C | 12.011 | Tin, Sn | 118.710 |
Americium, Am | 243.0614 |
| Nitrogen, N | 14.00674 | Antimony, Sb | 121.757 |
Curium, Cm | 247.0703 |
| Oxygen, O | 15.9994 | Tellurium, Te | 127.60 |
Berkelium, Bk | 247.0703 |
| Fluorine, F | 18.9984 | Iodine, I | 126.90447 |
Californium, Cf | 251.0796 |
| Neon, Ne | 20.1797 | Xenon, Xe | 131.29 |
Einsteinium, Es | 252.083 |
| | | | Fermium, Fm |
257.0951 |
|
| Sodium, Na | 22.989768 | Cesium, Cs | 132.90543 |
Mendelevium, Md | 258.10 |
| Magnesium, Mg | 24.3050 | Barium, Ba | 137.327 |
Nobelium, No | 259.1009 |
| Aluminum, Al | 26.981539 | Lanthanum, La | 138.9055 |
Lawrencium, Lr | 262.11 |
| Silicon, Si | 28.0855 | Cerium, Ce | 140.115 | Unq |
261.11 |
| Phosphorus, P | 30.973762 | Praesodymium, Pr | 140.90765 | Unp |
262.114 |
| Sulfur, S | 32.066 | Neodymium, Nd | 144.24 | Unh |
263.118 |
| Chlorine, Cl | 35.4527 | Promethium, Pm | 144.9127 | Uns |
262.12 |
| Argon, Ar | 39.948 | Samarium,
Sm | 150.36 |
| | Europium, Eu |
151.965 |
| Potassium, K | 39.0983 | Gadolinium,
Gd | 157.25 |
| Calcium, Ca | 40.078 | Terbium,
Tb | 158.92534 |
| Scandium, Sc | 44.95591 | Dysprosium,
Dy | 162.50 |
| Titanium, Ti | 47.88 | Holmium,
Ho | 164.93032 |
| Vanadium, V | 50.9415 | Erbium,
Er | 167.26 |
| Chromium, Cr | 51.9961 | Thulium,
Tm | 168.93421 |
| Manganese, Mn | 54.93805 | Ytterbium,
Yb | 173.04 |
| Iron, Fe | 55.847 | Lutetium,
Lu | 174.967 |
| Cobalt, Co | 58.93320 | Hafnium,
Hf | 178.49 |
| Nickel, Ni | 58.6934 | Tantallum,
Ta | 180.9479 |
| Copper, Cu | 63.546 | Tungsten,
W | 183.84 |
| Zinc, Zn | 65.39 | Rhenium,
Re | 186.207 |
| Gallium, Ga | 69.723 | Osmium,
Os | 190.23 |
| Germanium, Ge | 72.61 | Iridium,
Ir | 192.22 |
| Arsenic, As | 74.92159 | Platinum,
Pt | 195.08 |
| Selenium, Se | 78.96 | Gold,
Au | 196.96654 |
| Bromine, Br | 79.904 | Mercury,
Hg | 200.59 |
| Krypton, Kr | 83.80 | Thallium, Tl | 204.3833 |
|
| | Lead, Pb | 207.2 |
| Rubidium, Rb | 85.4678 | Bismuth,
Bi | 208.98037 |
| Strontium, Sr | 87.62 | Polonium, Po
| 208.9824 |
| Yttrium, Y | 88.90585 | Astatine,
At | 209.9871 |
| Zirconium, Zr | 91.224 | Radon,
Rn | 222.0176 |
| Niobium, Nb | 92.90638 |
| Molybdenum, Mo | 95.94 | Francium,
Fr | 223.0197 |
| Technetium, Tc | 97.9072 | Radium,
Ra | 226.0254 |