1H2He3Li4Be5B6C7N8O9F10Ne11Na12Mg13Al14Si15P16S17Cl18Ar19K20Ca21Sc22Ti23V24Cr25Mn26Fe27Co28Ni29Cu30Zn31Ga32Ge33As34Se35Br36Kr37Rb38Sr39Y40Zr41Nb42Mo43Tc44Ru45Rh46Pd47Ag48Cd49In50Sn51Sb52Te53I54Xe55Cs56BaLa*Lanthanoide57La58Ce59Pr60Nd61Pm62Sm63Eu64Gd65Tb66Dy67Ho68Er69Tm70Yb71Lu72Hf73Ta74W75Re76Os77Ir78Pt79Au80Hg81Tl82Pb83Bi84Po85At86Rn87Fr88RaAc*Actinoide89Ac90Th91Pa92U93Np94Pu95Am96Cm97Bk98Cf99Es100Fm101Md102No103Lr104Rf105Db106Sg107Bh108Hs109Mt110Ds111Rg112Cn113Nh114Fl115Mc116Lv117Ts118Og
Pearson-Skale
Die von Ralph G. Pearson entwickelte Skale berücksichtigt sowohl die Ionisierungsenergie als auch die Elektronenaffinität eines Atoms.
| Element | Pearson-Skale | ||
|---|---|---|---|
| 1H | Wasserstoff | 7,18 eV | |
| 3Li | Lithium | 3,01 eV | |
| 4Be | Beryllium | 4,9 eV | |
| 5B | Bor | 4,29 eV | |
| 6C | Kohlenstoff | 6,27 eV | |
| 7N | Stickstoff | 7,3 eV | |
| 8O | Sauerstoff | 7,54 eV | |
| 9F | Fluor | 10,41 eV | |
| 11Na | Natrium | 2,85 eV | |
| 12Mg | Magnesium | 3,75 eV | |
| 13Al | Aluminium | 3,23 eV | |
| 14Si | Silicium | 4,77 eV | |
| 15P | Phosphor | 5,62 eV | |
| 16S | Schwefel | 6,22 eV | |
| 17Cl | Chlor | 8,3 eV | |
| 19K | Kalium | 2,42 eV | |
| 20Ca | Calcium | 2,2 eV | |
| 21Sc | Scandium | 3,34 eV | |
| 22Ti | Titan | 3,45 eV | |
| 23V | Vanadium | 3,6 eV | |
| 24Cr | Chrom | 3,72 eV | |
| 25Mn | Mangan | 3,72 eV | |
| 26Fe | Eisen | 4,06 eV | |
| 27Co | Cobalt | 4,3 eV | |
| 28Ni | Nickel | 4,4 eV | |
| 29Cu | Kupfer | 4,48 eV | |
| 30Zn | Zink | 4,45 eV | |
| 31Ga | Gallium | 3,2 eV | |
| 32Ge | Germanium | 4,6 eV | |
| 33As | Arsen | 5,3 eV | |
| 34Se | Selen | 5,89 eV | |
| 35Br | Brom | 7,59 eV | |
| 37Rb | Rubidium | 2,34 eV | |
| 38Sr | Strontium | 2 eV | |
| 39Y | Yttrium | 3,19 eV | |
| 40Zr | Zirconium | 3,64 eV | |
| 41Nb | Niob | 4 eV | |
| 42Mo | Molybdän | 3,9 eV | |
| 44Ru | Ruthenium | 4,5 eV | |
| 45Rh | Rhodium | 4,3 eV | |
| 46Pd | Palladium | 4,45 eV | |
| 47Ag | Silber | 4,44 eV | |
| 48Cd | Cadmium | 4,33 eV | |
| 49In | Indium | 3,1 eV | |
| 50Sn | Zinn | 4,3 eV | |
| 51Sb | Antimon | 4,85 eV | |
| 52Te | Tellur | 5,49 eV | |
| 53I | Iod | 6,76 eV | |
| 55Cs | Caesium | 2,18 eV | |
| 56Ba | Barium | 2,4 eV | |
| 57La | Lanthan | 3,1 eV | |
| 72Hf | Hafnium | 3,8 eV | |
| 73Ta | Tantal | 4,11 eV | |
| 74W | Wolfram | 4,4 eV | |
| 75Re | Rhenium | 4,02 eV | |
| 76Os | Osmium | 4,9 eV | |
| 77Ir | Iridium | 5,4 eV | |
| 78Pt | Platin | 5,6 eV | |
| 79Au | Gold | 5,77 eV | |
| 80Hg | Quecksilber | 4,91 eV | |
| 81Tl | Thallium | 3,2 eV | |
| 82Pb | Blei | 3,9 eV | |
| 83Bi | Bismut | 4,69 eV | |