| Hydrogen | H, 1 |
| Helium | He, 2 |
| Lithium | Li, 3 |
| Beryllium | Be, 4 |
| Boron | B, 5 |
| Carbon | C, 6 |
| Nitrogen | N, 7 |
| Oxygen | O, 8 |
| Flourine | F, 9 |
| Neon | Ne,10 |
| Sodium | Na, 11 |
| Magnesium | Mg, 12 |
| Aluminium | Al, 13 |
| Silicon | Si, 14 |
| Phosphorous | P, 15 |
| Sulfur | S, 16 |
| Chlorine | Cl, 17 |
| Argon | Ar, 18 |
| Potassium | K, 19 |
| Calcium | Ca, 20 |
| Scandium | Sc, 21 |
| Titanium | Ti, 22 |
| Vanadium | V, 23 |
| Chromium | Cr, 24 |
| Manganese | Mn, 25 |
| Iron | Fe, 26 |
| Cobalt | Co, 27 |
| Nickel | Ni, 28 |
| Copper | Cu, 29 |
| Zinc | Zn, 30 |
| Gallium | Ga, 31 |
| Germanium | Ge, 32 |
| Arsenic | As, 33 |
| Selenium | Se, 34 |
| Bromine | Br, 35 |
| Krypton | Kr, 36 |
| Rubidium | Rb, 37 |
| Strontium | Sr, 38 |
| Yttrium | Y, 39 |
| Zirconium | Zr, 40 |
| Niobium | Nb, 41 |
| Molybdenum | Mo, 42 |
| Technetium | Tc, 43 |
| Ruthenium | Ru, 44 |
| Rhodium | Rh, 45 |
| Palladium | Pd, 46 |
| Silver | Ag, 47 |
| Cadmium | Cd, 48 |
| Indium | In, 49 |
| Tin | Sn, 50 |
| Antimony | Sb, 51 |
| Tellurium | Te, 52 |
| Iodine | I, 53 |
| Xenon | Xe, 54 |
| Cesium | Cs, 55 |
| Barium | Ba, 56 |
| Lanthanum | La, 57 |
| Cerium | Ce, 58 |
| Praseodymium | Pr, 59 |
| Neodymium | Nd, 60 |
| Promethium | Pm, 61 |
| Samarium | Sm, 62 |
| Europium | Eu, 63 |
| Gadolinium | Gd, 64 |
| Terbium | Tb, 65 |
| Dysprosium | Dy, 66 |
| Holmium | Ho, 67 |
| Erbium | Er, 68 |
| Thulium | Tm, 69 |
| Ytterbium | Yb, 70 |
| Lutetium | Lu, 71 |
| Hafnium | Hf, 72 |
| Tantalum | Ta, 73 |
| Tungsten | W, 74 |
| Rhenium | Re, 75 |
| Osmium | Os, 76 |
| Iridium | Ir, 77 |
| Platinum | Pt, 78 |
| Gold | Au, 79 |
| Mercury | Hg, 80 |
| Thallium | Tl, 81 |
| Lead | Pb, 82 |
| Bismuth | Bi, 83 |
| Polonium | Po, 84 |
| Astatine | At, 85 |
| Radon | Rn, 86 |
| Francium | Fr, 87 |
| Radium | Ra, 88 |
| Actinium | Ac, 89 |
| Thorium | Th, 90 |
| Protactinium | Pa, 91 |
| Uranium | U, 92 |
| Neptunium | Np, 93 |
| Plutonium | Pu, 94 |
| Americium | Am, 95 |
| Curium | Cm, 96 |
| Berkelium | Bk, 97 |
| Californium | Cf, 98 |
| Einsteinium | Es, 99 |
| Fermium | Fm, 100 |
| Mendelevium | Md, 101 |
| Nobelium | No, 102 |
| Lawrencium | Lr, 103 |
| Rutherfordium | Rf, 104 |
| Dubnium | Db, 105 |
| Seaborgium | Sg, 106 |
| Bohrium | Bh, 107 |
| Hassium | Hs, 108 |
| Meitnerium | Mt, 109 |