| 227 Atomic Weight | |
| 89 Atomic Number | 3 Oxidation States |
| 3470 Boiling Point, K | |
| 1324 Melting Point, K | Ac Symbol |
| 10.07 Density at 300K | |
| [Rn] 6d1 7s2
Electron Configuration | |
| Actinium | |
| Ac Symbol | fcc Crystal Structure |
| 1.1 Electronegativity | |
| 1.88 Atomic Radius | |
| 22.5 Atomic Volume | |
| 5.17 Ionization Potential | |
| 0.12 Specific Heat Capacity | 12 Thermal Conductivity |