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Prometium
PrometiumMuat turun aplikasi Kimia untuk melihat maklumat lanjut tentang unsur kimia:
| Nombor atom | 61 |
| Kumpulan | VIIB |
| Kala | 6 |
| Jisim | 145 |
| Nama latin | Promethium |
| Konfigurasi elektron | [Xe]4f5 6s2 |
| Keadaan pengoksidaan | 0, 2, 3 |