| Atomic No. | Symbol | Element | Electron Configuration |
|---|---|---|---|
| 1 | H | Hydrogen | 1s1 |
| 2 | He | Helium | 1s2 |
| 3 | Li | Lithium | [He] 2s1 |
| 4 | Be | Beryllium | [He] 2s2 |
| 5 | B | Boron | [He] 2s2 2p1 |
| 6 | C | Carbon | [He] 2s2 2p2 |
| 7 | N | Nitrogen | [He] 2s2 2p3 |
| 8 | O | Oxygen | [He] 2s2 2p4 |
| 9 | F | Fluorine | [He] 2s2 2p5 |
| 10 | Ne | Neon | [He] 2s2 2p6 |
| 11 | Na | Sodium | [Ne] 3s1 |
| 12 | Mg | Magnesium | [Ne] 3s2 |
| 13 | Al | Aluminium | [Ne] 3s2 3p1 |
| 14 | Si | Silicon | [Ne] 3s2 3p2 |
| 15 | P | Phosphorus | [Ne] 3s2 3p3 |
| 16 | S | Sulfur | [Ne] 3s2 3p4 |
| 17 | Cl | Chlorine | [Ne] 3s2 3p5 |
| 18 | Ar | Argon | [Ne] 3s2 3p6 |
| 19 | K | Potassium | [Ar] 4s1 |
| 20 | Ca | Calcium | [Ar] 4s2 |
| 21 | Sc | Scandium | [Ar] 3d1 4s2 |
| 22 | Ti | Titanium | [Ar] 3d2 4s2 |
| 23 | V | Vanadium | [Ar] 3d3 4s2 |
| 24 | Cr | Chromium | [Ar] 3d5 4s1 |
| 25 | Mn | Manganese | [Ar] 3d5 4s2 |
| 26 | Fe | Iron | [Ar] 3d6 4s2 |
| 27 | Co | Cobalt | [Ar] 3d7 4s2 |
| 28 | Ni | Nickel | [Ar] 3d8 4s2 |
| 29 | Cu | Copper | [Ar] 3d10 4s1 |
| 30 | Zn | Zinc | [Ar] 3d10 4s2 |
| 31 | Ga | Gallium | [Ar] 3d10 4s2 4p1 |
| 32 | Ge | Germanium | [Ar] 3d10 4s2 4p2 |
| 33 | As | Arsenic | [Ar] 3d10 4s2 4p3 |
| 34 | Se | Selenium | [Ar] 3d10 4s2 4p4 |
| 35 | Br | Bromine | [Ar] 3d10 4s2 4p5 |
| 36 | Kr | Krypton | [Ar] 3d10 4s2 4p6 |
| 37 | Rb | Rubidium | [Kr] 5s1 |
| 38 | Sr | Strontium | [Kr] 5s2 |
| 39 | Y | Yttrium | [Kr] 4d1 5s2 |
| 40 | Zr | Zirconium | [Kr] 4d2 5s2 |
| 41 | Nb | Niobium | [Kr] 4d4 5s1 |
| 42 | Mo | Molybdenum | [Kr] 4d5 5s1 |
| 43 | Tc | Technetium | [Kr] 4d5 5s2 |
| 44 | Ru | Ruthenium | [Kr] 4d7 5s1 |
| 45 | Rh | Rhodium | [Kr] 4d8 5s1 |
| 46 | Pd | Palladium | [Kr] 4d10 |
| 47 | Ag | Silver | [Kr] 4d10 5s1 |
| 48 | Cd | Cadmium | [Kr] 4d10 5s2 |
| 49 | In | Indium | [Kr] 4d10 5s2 5p1 |
| 50 | Sn | Tin | [Kr] 4d10 5s2 5p2 |
| 51 | Sb | Antimony | [Kr] 4d10 5s2 5p3 |
| 52 | Te | Tellurium | [Kr] 4d10 5s2 5p4 |
| 53 | I | Iodine | [Kr] 4d10 5s2 5p5 |
| 54 | Xe | Xenon | [Kr] 4d10 5s2 5p6 |
| 55 | Cs | Cesium | [Xe] 6s1 |
| 56 | Ba | Barium | [Xe] 6s2 |
| 57 | La | Lanthanum | [Xe] 5d1 6s2 |
| 58 | Ce | Cerium | [Xe] 4f1 5d1 6s2 |
| 59 | Pr | Praseodymiu | [Xe] 4f3 6s2 |
| 60 | Nd | Neodymium | [Xe] 4f4 6s2 |
| 61 | Pm | Promethium | [Xe] 4f5 6s2 |
| 62 | Sm | Samarium | [Xe] 4f6 6s2 |
| 63 | Eu | Europium | [Xe] 4f7 6s2 |
| 64 | Gd | Gadolinium | [Xe] 4f7 5d1 6s2 |
| 65 | Tb | Terbium | [Xe] 4f9 6s2 |
| 66 | Dy | Dysprosium | [Xe] 4f10 6s2 |
| 67 | Ho | Holmium | [Xe] 4f11 6s2 |
| 68 | Er | Erbium | [Xe] 4f12 6s2 |
| 69 | Tm | Thulium | [Xe] 4f13 6s2 |
| 70 | Yb | Ytterbium | [Xe] 4f14 6s2 |
| 71 | Lu | Lutetium | [Xe] 4f14 5d1 6s2 |
| 72 | Hf | Hafnium | [Xe] 4f14 5d2 6s2 |
| 73 | Ta | Tantalum | [Xe] 4f14 5d3 6s2 |
| 74 | W | Tungsten | [Xe] 4f14 5d4 6s2 |
| 75 | Re | Rhenium | [Xe] 4f14 5d5 6s2 |
| 76 | Os | Osmium | [Xe] 4f14 5d6 6s2 |
| 77 | Ir | Iridium | [Xe] 4f14 5d7 6s2 |
| 78 | Pt | Platinum | [Xe] 4f14 5d9 6s1 |
| 79 | Au | Gold | [Xe] 4f14 5d10 6s1 |
| 80 | Hg | Mercury | [Xe] 4f14 5d10 6s2 |
| 81 | Tl | Thallium | [Xe] 4f14 5d10 6s2 6p1 |
| 82 | Pb | Lead | [Xe] 4f14 5d10 6s2 6p2 |
| 83 | Bi | Bismuth | [Xe] 4f14 5d10 6s2 6p3 |
| 84 | Po | Polonium | [Xe] 4f14 5d10 6s2 6p4 |
| 85 | At | Astatine | [Xe] 4f14 5d10 6s2 6p5 |
| 86 | Rn | Radon | [Xe] 4f14 5d10 6s2 6p6 |
| 87 | Fr | Francium | [Rn] 7s1 |
| 88 | Ra | Radium | [Rn] 7s2 |
| 89 | Ac | Actinium | [Rn] 6d1 7s2 |
| 90 | Th | Thorium | [Rn] 6d2 7s2 |
| 91 | Pa | Protactinium | [Rn] 5f2 6d1 7s2 |
| 92 | U | Uranium | [Rn] 5f3 6d1 7s2 |
| 93 | Np | Neptunium | [Rn] 5f4 6d1 7s2 |
| 94 | Pu | Plutonium | [Rn] 5f6 7s2 |
| 95 | Am | Americium | [Rn] 5f7 7s2 |
| 96 | Cm | Curium | [Rn] 5f7 6d1 7s2 |
| 97 | Bk | Berkelium | [Rn] 5f9 7s2 |
| 98 | Cf | Californium | [Rn] 5f10 7s2 |
| 99 | Es | Einsteinium | [Rn] 5f11 7s2 |
| 100 | Fm | Fermium | [Rn] 5f12 7s2 |
| 101 | Md | Mendeleviu | [Rn] 5f13 7s2 |
| 102 | No | Nobelium | [Rn] 5f14 7s2 |
| 103 | Lr | Lawrencium | [Rn] 5f14 7s2 7p1 |
| 104 | Rf | Rutherfordiu | [Rn] 5f14 6d2 7s2 |
| 105 | Db | Dubnium | [Rn] 5f14 6d3 7s2 |
| 106 | Sg | Seaborgium | [Rn] 5f14 6d4 7s2 |
| 107 | Bh | Bohrium | [Rn] 5f14 6d5 7s2 |
| 108 | Hs | Hassium | [Rn] 5f14 6d6 7s2 |
| 109 | Mt | Meitnerium | [Rn] 5f14 6d7 7s2 |
| 110 | Ds | Darmstadtiu | [Rn] 5f14 6d9 7s1 |
| 111 | Rg | Roentgeniu | [Rn] 5f14 6d10 7s1 |
| 112 | Cn | Copernicium | [Rn] 5f14 6d10 7s2 |
| 113 | Nh | Nihonium | [Rn] 5f14 6d10 7s2 7p1 |
| 114 | Fl | Flerovium | [Rn] 5f14 6d10 7s2 7p2 |
| 115 | Mc | Moscovium | [Rn] 5f14 6d10 7s2 7p3 |
| 116 | Lv | Livermorium | [Rn] 5f14 6d10 7s2 7p4 |
| 117 | Ts | Tennessine | [Rn] 5f14 6d10 7s2 7p5 |
| 118 | Og | Oganesson | [Rn] 5f14 6d10 7s2 7p6 |