| Z | Name | X | Configuration |
|---|---|---|---|
| 1 | Hydrogen | H | 1s¹ |
| 2 | Helium | He | 1s² |
| 3 | Lithium | Li | [He] 2s¹ |
| 4 | Beryllium | Be | [He] 2s² |
| 5 | Boron | B | [He] 2s² 2p¹ |
| 6 | Carbon | C | [He] 2s² 2p² |
| 7 | Nitrogen | N | [He] 2s² 2p³ |
| 8 | Oxygen | O | [He] 2s² 2p⁴ |
| 9 | Fluorine | F | [He] 2s² 2p⁵ |
| 10 | Neon | Ne | [He] 2s² 2p⁶ |
| 11 | Sodium | Na | [Ne] 3s¹ |
| 12 | Magnesium | Mg | [Ne] 3s² |
| 13 | Aluminum | Al | [Ne] 3s² 3p¹ |
| 14 | Silicon | Si | [Ne] 3s² 3p² |
| 15 | Phosphorus | P | [Ne] 3s² 3p³ |
| 16 | Sulfur | S | [Ne] 3s² 3p⁴ |
| 17 | Chlorine | Cl | [Ne] 3s² 3p⁵ |
| 18 | Argon | Ar | [Ne] 3s² 3p⁶ |
| 19 | Potassium | K | [Ar] 4s¹ |
| 20 | Calcium | Ca | [Ar] 4s² |
| 21 | Scandium | Sc | [Ar] 4s² 3d¹ |
| 22 | Titanium | Ti | [Ar] 4s² 3d² |
| 23 | Vanadium | V | [Ar] 4s² 3d³ |
| 24 | Chromium | Cr | [Ar] 4s¹ 3d⁵ |
| 25 | Manganese | Mn | [Ar] 4s² 3d⁵ |
| 26 | Iron | Fe | [Ar] 4s² 3d⁶ |
| 27 | Cobalt | Co | [Ar] 4s² 3d⁷ |
| 28 | Nickel | Ni | [Ar] 4s² 3d⁸ |
| 29 | Copper | Cu | [Ar] 4s¹ 3d¹⁰ |
| 30 | Zinc | Zn | [Ar] 4s² 3d¹⁰ |
| 31 | Gallium | Ga | [Ar] 4s² 3d¹⁰ 4p¹ |
| 32 | Germanium | Ge | [Ar] 4s² 3d¹⁰ 4p² |
| 33 | Arsenic | As | [Ar] 4s² 3d¹⁰ 4p³ |
| 34 | Selenium | Se | [Ar] 4s² 3d¹⁰ 4p⁴ |
| 35 | Bromine | Br | [Ar] 4s² 3d¹⁰ 4p⁵ |
| 36 | Krypton | Kr | [Ar] 4s² 3d¹⁰ 4p⁶ |
| 37 | Rubidium | Rb | [Kr] 5s¹ |
| 38 | Strontium | Sr | [Kr] 5s² |
| 39 | Yttrium | Y | [Kr] 5s² 4d¹ |
| 40 | Zirconium | Zr | [Kr] 5s² 4d² |
| 41 | Niobium | Nb | [Kr] 5s¹ 4d⁴ |
| 42 | Molybdenum | Mo | [Kr] 5s¹ 4d⁵ |
| 43 | Technetium | Tc | [Kr] 5s² 4d⁵ |
| 44 | Ruthenium | Ru | [Kr] 5s¹ 4d⁷ |
| 45 | Rhodium | Rh | [Kr] 5s¹ 4d⁸ |
| 46 | Palladium | Pd | [Kr] 5s⁰ 4d¹⁰ |
| 47 | Silver | Ag | [Kr] 5s¹ 4d¹⁰ |
| 48 | Cadmium | Cd | [Kr] 5s² 4d¹⁰ |
| 49 | Indium | In | [Kr] 5s² 4d¹⁰ 5p¹ |
| 50 | Tin | Sn | [Kr] 5s² 4d¹⁰ 5p² |
| 51 | Antimony | Sb | [Kr] 5s² 4d¹⁰ 5p³ |
| 52 | Tellurium | Te | [Kr] 5s² 4d¹⁰ 5p⁴ |
| 53 | Iodine | I | [Kr] 5s² 4d¹⁰ 5p⁵ |
| 54 | Xenon | Xe | [Kr] 5s² 4d¹⁰ 5p⁶ |
| 55 | Cesium | Cs | [Xe] 6s¹ |
| 56 | Barium | Ba | [Xe] 6s² |
| 57 | Lanthanum | La | [Xe] 6s² 5d¹ |
| 58 | Cerium | Ce | [Xe] 6s² 4f¹ 5d¹ |
| 59 | Praseodymium | Pr | [Xe] 6s² 4f³ |
| 60 | Neodymium | Nd | [Xe] 6s² 4f⁴ |
| 61 | Promethium | Pm | [Xe] 6s² 4f⁵ |
| 62 | Samarium | Sm | [Xe] 6s² 4f⁶ |
| 63 | Europium | Eu | [Xe] 6s² 4f⁷ |
| 64 | Gadolinium | Gd | [Xe] 6s² 4f⁷ 5d¹ |
| 65 | Terbium | Tb | [Xe] 6s² 4f⁹ |
| 66 | Dysprosium | Dy | [Xe] 6s² 4f¹⁰ |
| 67 | Holmium | Ho | [Xe] 6s² 4f¹¹ |
| 68 | Erbium | Er | [Xe] 6s² 4f¹² |
| 69 | Thulium | Tm | [Xe] 6s² 4f¹³ |
| 70 | Ytterbium | Yb | [Xe] 6s² 4f¹⁴ |
| 71 | Lutetium | Lu | [Xe] 6s² 4f¹⁴ 5d¹ |
| 72 | Hafnium | Hf | [Xe] 6s² 4f¹⁴ 5d² |
| 73 | Tantalum | Ta | [Xe] 6s² 4f¹⁴ 5d³ |
| 74 | Tungsten | W | [Xe] 6s² 4f¹⁴ 5d⁴ |
| 75 | Rhenium | Re | [Xe] 6s² 4f¹⁴ 5d⁵ |
| 76 | Osmium | Os | [Xe] 6s² 4f¹⁴ 5d⁶ |
| 77 | Iridium | Ir | [Xe] 6s² 4f¹⁴ 5d⁷ |
| 78 | Platinum | Pt | [Xe] 6s¹ 4f¹⁴ 5d⁹ |
| 79 | Gold | Au | [Xe] 6s¹ 4f¹⁴ 5d¹⁰ |
| 80 | Mercury | Hg | [Xe] 6s² 4f¹⁴ 5d¹⁰ |
| 81 | Thallium | Tl | [Xe] 6s² 4f¹⁴ 5d¹⁰ 6p¹ |
| 82 | Lead | Pb | [Xe] 6s² 4f¹⁴ 5d¹⁰ 6p² |
| 83 | Bismuth | Bi | [Xe] 6s² 4f¹⁴ 5d¹⁰ 6p³ |
| 84 | Polonium | Po | [Xe] 6s² 4f¹⁴ 5d¹⁰ 6p⁴ |
| 85 | Astatine | At | [Xe] 6s² 4f¹⁴ 5d¹⁰ 6p⁵ |
| 86 | Radon | Rn | [Xe] 6s² 4f¹⁴ 5d¹⁰ 6p⁶ |
| 87 | Francium | Fr | [Rn] 7s¹ |
| 88 | Radium | Ra | [Rn] 7s² |
| 89 | Actinium | Ac | [Rn] 7s² 6d¹ |
| 90 | Thorium | Th | [Rn] 7s² 6d² |
| 91 | Protactinium | Pa | [Rn] 7s² 5f² 6d¹ |
| 92 | Uranium | U | [Rn] 7s² 5f³ 6d¹ |
| 93 | Neptunium | Np | [Rn] 7s² 5f⁴ 6d¹ |
| 94 | Plutonium | Pu | [Rn] 7s² 5f⁶ |
| 95 | Americium | Am | [Rn] 7s² 5f⁷ |
| 96 | Curium | Cm | [Rn] 7s² 5f⁷ 6d¹ |
| 97 | Berkelium | Bk | [Rn] 7s² 5f⁹ |
| 98 | Californium | Cf | [Rn] 7s² 5f¹⁰ |
| 99 | Einsteinium | Es | [Rn] 7s² 5f¹¹ |
| 100 | Fermium | Fm | [Rn] 7s² 5f¹² |
| 101 | Mendelevium | Md | [Rn] 7s² 5f¹³ |
| 102 | Nobelium | No | [Rn] 7s² 5f¹⁴ |
| 103 | Lawrencium | Lr | [Rn] 7s² 5f¹⁴ 6d¹ |
| 104 | Rutherfordium | Rf | [Rn] 7s² 5f¹⁴ 6d² |
| 105 | Dubnium | Db | [Rn] 7s² 5f¹⁴ 6d³ |
| 106 | Seaborgium | Sg | [Rn] 7s² 5f¹⁴ 6d⁴ |
| 107 | Bohrium | Bh | [Rn] 7s² 5f¹⁴ 6d⁵ |
| 108 | Hassium | Hs | [Rn] 7s² 5f¹⁴ 6d⁶ |
| 109 | Meitnerium | Mt | [Rn] 7s² 5f¹⁴ 6d⁷ |
| 110 | Darmstadtium | Ds | [Rn] 7s² 5f¹⁴ 6d⁸ |
| 111 | Roentgenium | Rg | [Rn] 7s² 5f¹⁴ 6d⁹ |
| 112 | Copernicium | Cn | [Rn] 7s² 5f¹⁴ 6d¹⁰ |
| 113 | Nihonium | Nh | [Rn] 7s² 5f¹⁴ 6d¹⁰ 7p¹ |
| 114 | Flerovium | Fl | [Rn] 7s² 5f¹⁴ 6d¹⁰ 7p² |
| 115 | Moscovium | Mc | [Rn] 7s² 5f¹⁴ 6d¹⁰ 7p³ |
| 116 | Livermorium | Lv | [Rn] 7s² 5f¹⁴ 6d¹⁰ 7p⁴ |
| 117 | Tennessine | Ts | [Rn] 7s² 5f¹⁴ 6d¹⁰ 7p⁵ |
| 118 | Oganesson | Og | [Rn] 7s² 5f¹⁴ 6d¹⁰ 7p⁶ |