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| Atomic Numbers and Weights | |||
Element |
Symbol |
Atomic Number |
Atomic Weight |
| Actinium | Ac | 89 | 227 |
| Aluminum | Al | 13 | 26.98 |
| Americium | Am | 95 | 243 |
| Antimony | Sb | 51 | 121.76 |
| Argon | Ar | 18 | 39.994 |
| Arsenic | As | 33 | 74.91 |
| Astatine | At | 85 | 211 |
| Barium | Ba | 56 | 137.36 |
| Berkelium | Bk | 97 | 247 |
| Beryllium | Be | 4 | 9.013 |
| Bismuth | Bi | 83 | 209.00 |
| Boron | B | 5 | 10.82 |
| Bromine | Br | 35 | 79.916 |
| Cadmium | Cd | 48 | 112.41 |
| Calcium | Ca | 20 | 40.08 |
| Californium | Cf | 98 | 251 |
| Carbon | C | 6 | 12.011 |
| Cerium | Ce | 58 | 140.13 |
| Cesium | Cs | 55 | 132.91 |
| Chlorine | Cl | 17 | 36.457 |
| Chromium | Cr | 24 | 52.01 |
| Cobalt | Co | 27 | 58.94 |
| Columbium* | Cb | 41 | 92.91 |
| Copper | Cu | 29 | 63.54 |
| Curium | Cm | 96 | 247 |
| Dysprosium | Dy | 66 | 162.51 |
| Einsteinium | E | 99 | 254 |
| Erbium | Er | 68 | 167.27 |
| Europium | Eu | 63 | 152.0 |
| Fermium | Fm | 100 | 253 |
| Fluorine | F | 9 | 19.00 |
| Francium | Fr | 87 | 223 |
| Gadolinium | Gd | 64 | 157.26 |
| Gallium | Ga | 31 | 69.72 |
| Germanium | Ge | 32 | 72.60 |
| Gold | Au | 79 | 197.0 |
| Hafnium | Hf | 72 | 178.58 |
| Helium | He | 2 | 4.003 |
| Holmium | Ho | 67 | 164.94 |
| Hydrogen | H | 1 | 1.0080 |
| Indium | In | 49 | 114.82 |
| Iodine | I | 53 | 126.91 |
| Iridium | Ir | 77 | 192.2 |
| Iron | Fe | 26 | 55.85 |
| Krypton | Kr | 36 | 83.80 |
| Lanthanum | La | 57 | 138.92 |
| Lead | Pb | 82 | 207.21 |
| Lithium | Li | 3 | 6.940 |
| Lutetium | Lu | 71 | 174.99 |
| Magnesium | Mg | 12 | 24.32 |
| Manganese | Mn | 25 | 54.94 |
| Mendelevium | Mv | 101 | 256 |
| Mercury | Hg | 80 | 200.61 |
| Molybdenum | Mo | 42 | 95.95 |
| Neodymium | Nd | 60 | 144.27 |
| Neon | Ne | 10 | 20.183 |
| Neptunium | Np | 93 | 237 |
| Nickel | Ni | 28 | 58.71 |
| Nitrogen | N | 7 | 14.008 |
| Nobelium | No | 102 | 247 |
| Osmium | Os | 76 | 190.2 |
| Oxygen | O | 8 | 16 |
| Palladium | Pd | 46 | 106.7 |
| Phosphorus | P | 15 | 30.975 |
| Platinum | Pt | 78 | 195.09 |
| Plutonium | Pu | 94 | 242 |
| Polonium | Po | 84 | 210 |
| Potassium | K | 19 | 39.100 |
| Prascodymium | Pr | 59 | 140.92 |
| Promethium | Pm | 61 | 145 |
| Protactinium | Pa | 91 | 231.1 |
| Radium | Ra | 88 | 226.05 |
| Radon | Rn | 86 | 222 |
| Rhenium | Re | 75 | 186.22 |
| Rhodium | Rh | 45 | 102.91 |
| Rubidium | Rb | 37 | 85.48 |
| Ruthenium | Ru | 44 | 101.1 |
| Samarium | Sm | 62 | 150.35 |
| Scandium | Sc | 21 | 44.96 |
| Selenium | Se | 34 | 78.96 |
| Silicon | Si | 14 | 28.09 |
| Silver | Ag | 47 | 107.880 |
| Sodium | Na | 11 | 22.991 |
| Strontium | Sr | 38 | 87.63 |
| Sulfur | S | 16 | 32.066 |
| Tantalum | Ta | 73 | 180.95 |
| Technetium | Tc | 43 | 98 |
| Tellurium | Te | 52 | 127.61 |
| Terbium | Tb | 65 | 158.93 |
| Thallium | Tl | 81 | 204.39 |
| Thorium | Th | 90 | 232.05 |
| Thulium | Tm | 69 | 168.94 |
| Tin | Sn | 50 | 118.70 |
| Titanium | Ti | 22 | 47.90 |
| Tungsten | W | 74 | 183.86 |
| Uranium | U | 92 | 238.07 |
| Vanadium | V | 23 | 50.95 |
| Xenon | Xe | 54 | 131.30 |
| Ytterbium | Yb | 70 | 173.04 |
| Yttrium | Y | 39 | 88.92 |
| Zinc | Zn | 30 | 65.38 |
| Zirconium | Zr | 40 | 91.22 |
| * | Also known as Niobium (Nb) |
