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Helium
HeliumDownload Chemistry-applikationen for at se flere oplysninger om det kemiske element:
| Atomnummer | 2 |
| Gruppe | VIIIA |
| Periode | 1 |
| Vægt | 4.002602 |
| Latinsk navn | Helium |
| Elektronkonfiguration | 1s2 |
| Oxidationstilstand | 0 |