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W poniższej tabeli pokazano konfiguracje elektronowe pierwiastków o liczbach atomowych od 1 do 22.
| Symbol | Nazwa | Konfiguracja elektronowa |
| H | Wodór | 1s1 |
| He | Hel | 1s2 |
| Li | Lit | 1s22s1 |
| Be | Beryl | 1s22s2 |
| B | Bor | 1s22s22p1 |
| C | Węgiel | 1s22s22p2 |
| N | Azot | 1s22s22p3 |
| O | Tlen | 1s22s22p4 |
| F | Fluor | 1s22s22p5 |
| Ne | Neon | 1s22s22p6 |
| Na | Sód | 1s22s22p63s1 |
| Mg | Magnez | 1s22s22p63s2 |
| Al | Glin | 1s22s22p63s23p1 |
| Si | Krzem | 1s22s22p63s23p2 |
| P | Fosfor | 1s22s22p63s23p3 |
| S | Siarka | 1s22s22p63s23p4 |
| Cl | Chlor | 1s22s22p63s23p5 |
| Ar | Argon | 1s22s22p63s23p6 |
| K | Potas | 1s22s22p63s23p64s1 |
| Ca | Wapń | 1s22s22p63s23p64s2 |
| Sc | Skand | 1s22s22p63s23p63d14s2 |
| Ti | Tytan | 1s22s22p63s23p63d24s2 |
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