* Unregelmässigkeit
| Z. | K | L | M | N | O | P | Q | |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| s | s p | s p d | s p d f | s p d f | s p d f | s | ||
| 1 | H | 1 | ||||||
| 2 | He | 2 | ||||||
| 3 | Li | 2 | 1 | |||||
| 4 | Be | 2 | 2 | |||||
| 5 | B | 2 | 2 1 | |||||
| 6 | C | 2 | 2 2 | |||||
| 7 | N | 2 | 2 3 | |||||
| 8 | O | 2 | 2 4 | |||||
| 9 | F | 2 | 2 5 | |||||
| 10 | Ne | 2 | 2 6 | |||||
| 11 | Na | 2 | 2 6 | 1 | ||||
| 12 | Mg | 2 | 2 6 | 2 | ||||
| 13 | Al | 2 | 2 6 | 2 1 | ||||
| 14 | Si | 2 | 2 6 | 2 2 | ||||
| 15 | P | 2 | 2 6 | 2 3 | ||||
| 16 | S | 2 | 2 6 | 2 4 | ||||
| 17 | Cl | 2 | 2 6 | 2 5 | ||||
| 18 | Ar | 2 | 2 6 | 2 6 | ||||
| 19 | K | 2 | 2 6 | 2 6 - | 1 | |||
| 20 | Ca | 2 | 2 6 | 2 6 - | 2 | |||
| 21 | Sc | 2 | 2 6 | 2 6 1 | 2 | |||
| 22 | Ti | 2 | 2 6 | 2 6 2 | 2 | |||
| 23 | V | 2 | 2 6 | 2 6 3 | 2 | |||
| 24 | Cr | 2 | 2 6 | 2 6 5* | 1 | |||
| 25 | Mn | 2 | 2 6 | 2 6 5 | 2 | |||
| 26 | Fe | 2 | 2 6 | 2 6 6 | 2 | |||
| 27 | Co | 2 | 2 6 | 2 6 7 | 2 | |||
| 28 | Ni | 2 | 2 6 | 2 6 8 | 2 | |||
| 29 | Cu | 2 | 2 6 | 2 6 10 | 1* | |||
| 30 | Zn | 2 | 2 6 | 2 6 10 | 2 | |||
| 31 | Ga | 2 | 2 6 | 2 6 10 | 2 1 | |||
| 32 | Ge | 2 | 2 6 | 2 6 10 | 2 2 | |||
| 33 | As | 2 | 2 6 | 2 6 10 | 2 3 | |||
| 34 | Se | 2 | 2 6 | 2 6 10 | 2 4 | |||
| 35 | Br | 2 | 2 6 | 2 6 10 | 2 5 |
| Z. | Él. | K | L | M | N | O | P | Q |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| s | s p | s p d | s p d f | s p d f | s p d f | s | ||
| 36 | Kr | 2 | 2 6 | 2 6 10 | 2 6 | |||
| 37 | Rb | 2 | 2 6 | 2 6 10 | 2 6 - | 1 | ||
| 38 | Sr | 2 | 2 6 | 2 6 10 | 2 6 - | 2 | ||
| 39 | Y | 2 | 2 6 | 2 6 10 | 2 6 1 | 2 | ||
| 40 | Zr | 2 | 2 6 | 2 6 10 | 2 6 2 | 2 | ||
| 41 | Nb | 2 | 2 6 | 2 6 10 | 2 6 4* | 1 | ||
| 42 | Mo | 2 | 2 6 | 2 6 10 | 2 6 5 | 1 | ||
| 43 | Tc | 2 | 2 6 | 2 6 10 | 2 6 6 | 1 | ||
| 44 | Ru | 2 | 2 6 | 2 6 10 | 2 6 7 | 1 | ||
| 45 | Rh | 2 | 2 6 | 2 6 10 | 2 6 8 | 1 | ||
| 46 | Pd | 2 | 2 6 | 2 6 10 | 2 6 10 | 0* | ||
| 47 | Ag | 2 | 2 6 | 2 6 10 | 2 6 10 | 1 | ||
| 48 | Cd | 2 | 2 6 | 2 6 10 | 2 6 10 | 2 | ||
| 49 | In | 2 | 2 6 | 2 6 10 | 2 6 10 | 2 1 | ||
| 50 | Sn | 2 | 2 6 | 2 6 10 | 2 6 10 | 2 2 | ||
| 51 | Sb | 2 | 2 6 | 2 6 10 | 2 6 10 | 2 3 | ||
| 52 | Te | 2 | 2 6 | 2 6 10 | 2 6 10 | 2 4 | ||
| 53 | I | 2 | 2 6 | 2 6 10 | 2 6 10 | 2 5 | ||
| 54 | Xe | 2 | 2 6 | 2 6 10 | 2 6 10 | 2 6 | ||
| 55 | Cs | 2 | 2 6 | 2 6 10 | 2 6 10 | 2 6 - - | 1 | |
| 56 | Ba | 2 | 2 6 | 2 6 10 | 2 6 10 | 2 6 - - | 2 | |
| 57 | La | 2 | 2 6 | 2 6 10 | 2 6 10 - | 2 6 1 - | 2 | |
| 58 | Ce | 2 | 2 6 | 2 6 10 | 2 6 10 2* | 2 6 - - | 2 | |
| 59 | Pr | 2 | 2 6 | 2 6 10 | 2 6 10 3 | 2 6 - - | 2 | |
| 60 | Nd | 2 | 2 6 | 2 6 10 | 2 6 10 4 | 2 6 - - | 2 | |
| 61 | Pm | 2 | 2 6 | 2 6 10 | 2 6 10 5 | 2 6 - - | 2 | |
| 62 | Sm | 2 | 2 6 | 2 6 10 | 2 6 10 6 | 2 6 - - | 2 | |
| 63 | Eu | 2 | 2 6 | 2 6 10 | 2 6 10 7 | 2 6 - - | 2 | |
| 64 | Gd | 2 | 2 6 | 2 6 10 | 2 6 10 7 | 2 6 1 - | 2 | |
| 65 | Tb | 2 | 2 6 | 2 6 10 | 2 6 10 9* | 2 6 - - | 2 | |
| 66 | Dy | 2 | 2 6 | 2 6 10 | 2 6 10 10 | 2 6 - - | 2 | |
| 67 | Ho | 2 | 2 6 | 2 6 10 | 2 6 10 11 | 2 6 - - | 2 | |
| 68 | Er | 2 | 2 6 | 2 6 10 | 2 6 10 12 | 2 6 - - | 2 | |
| 69 | Tm | 2 | 2 6 | 2 6 10 | 2 6 10 13 | 2 6 - - | 2 | |
| 70 | Yb | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 - - | 2 | |
| 69 | Tm | 2 | 2 6 | 2 6 10 | 2 6 10 13 | 2 6 - - | 2 |
| Z. | Él. | K | L | M | N | O | P | Q |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| s | s p | s p d | s p d f | s p d f | s p d f | s | ||
| 70 | Yb | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 - - | 2 | |
| 71 | Lu | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 1 - | 2 | |
| 72 | Hf | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 2 - | 2 | |
| 73 | Ta | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 3 - | 2 | |
| 74 | W | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 4 - | 2 | |
| 75 | Re | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 5 - | 2 | |
| 76 | Os | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 6 - | 2 | |
| 77 | Ir | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 7 - | 2 | |
| 78 | Pt | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 9 - | 1 | |
| 79 | Au | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 1 | |
| 80 | Hg | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 | |
| 81 | Tl | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 1 - - | |
| 82 | Pb | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 2 - - | |
| 83 | Bi | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 3 - - | |
| 84 | Po | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 4 - - | |
| 85 | At | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 5 - - | |
| 86 | Rn | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 6 - - | |
| 87 | Fr | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 6 - - | 1 |
| 88 | Ra | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 6 - - | 2 |
| 89 | Ac | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 6 1 - | 2 |
| 90 | Th | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 - | 2 6 2 - | 2 |
| 91 | Pa | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 2* | 2 6 1 - | 2 |
| 92 | U | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 3 | 2 6 1 - | 2 |
| 93 | Np | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 4 | 2 6 1 - | 2 |
| 94 | Pu | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 6 | 2 6 - - | 2 |
| 95 | Am | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 7 | 2 6 - - | 2 |
| 96 | Cm | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 7 | 2 6 1 - | 2 |
| 97 | Bk | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 9* | 2 6 - - | 2 |
| 98 | Cf | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 10 | 2 6 - - | 2 |
| 99 | Es | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 11 | 2 6 - - | 2 |
| 100 | Fm | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 12 | 2 6 - - | 2 |
| 101 | Md | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 13 | 2 6 - - | 2 |
| 102 | Z | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 14 | 2 6 - - | 2 |
| 103 | Lr | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 14 | 2 6 1 - | 2 |
| 104 | Rf | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 14 | 2 6 2 - | 2 |
| 105 | ? | 2 | 2 6 | 2 6 10 | 2 6 10 14 | 2 6 10 14 | 2 6 ? - | ? |