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Protaktinium
ProtaktiniumMuat turun aplikasi Kimia untuk melihat maklumat lanjut tentang unsur kimia:
| Nombor atom | 91 |
| Kumpulan | VB |
| Kala | 7 |
| Jisim | 231.03587 |
| Nama latin | Protactinium |
| Konfigurasi elektron | [Rn]5f2 6d7s2 |
| Keadaan pengoksidaan | 0, 2, 3, 4, 5 |