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Protaktinium
ProtaktiniumLaai Chemie-toepassing af om meer inligting oor die chemiese element te sien:
| Atoomgetal | 91 |
| Periodieke tabel groep | VB |
| Periode | 7 |
| Massa | 231.03587 |
| Latynse naam | Protactinium |
| Elektronkonfigurasie | [Rn]5f2 6d7s2 |
| Oksidasie toestand | 0, 2, 3, 4, 5 |