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Aktinium
AktiniumUnduh aplikasi Kimia untuk melihat informasi lebih lanjut tentang unsur kimia:
| Nomor atom | 89 |
| Golongan tabel periodik | IIIB |
| Periode tabel periodik | 7 |
| Massa | 227 |
| Nama latin | Actinium |
| Konfigurasi elektron | [Rn]6d7s2 |
| Keadaan oksidasi | 0, 2, 3 |