Americium
Actinide| Atomic number | 95 |
|---|---|
| Category | Actinide |
| Atomic mass | 243 |
| Electron configuration | [Rn]5f⁷ 7s² |
| Oxidation states | +3 |
| Electronegativity | 1.13 |
| Melting point | 1,176 °C |
| Boiling point | 2,011 °C |
| Density | 12 g/cm³ |
| Crystal structure | Hexagonal |
| Period | 7 |
| Block | f |
| Discovered | 1,944 |
| Crustal abundance | 0 ppm |