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ACTINIUM
| Name | Atomic Number |
| Actinium | 89 |
| Symbol | Atomic Mass |
| Ac | (227.0278) |
| Electronegativity | Electron Affinity |
| 1.1 | INSERT ELECTRON AFFINITY HERE |
| Atomic Radius | Density |
| INSERT ATOMIC RADIUS HERE | 10.07 |
| Ionic Charges | |
| INSERT IONIC CHARGES HERE |