Atomic Radii
Atomic Radius
Bohr Radius
Covalent Radius
Van der Waals
| Americium | |
| Electron Configuration | 2,8,18,32,25,8,2 |
| Electron Configuration | [Rn] 5f7 7s2 |
| Electronegativity | 1.3 |
| Enthalpy of Fusion | 14.4 kJ mol-1 |
| Enthalpy of Vaporisation | 238.5 kJ mol-1 |
| Heat Capacity | 62.7 J mol-1 K-1 |
| Thermal Conductivity | 10 W m-1 K-1 |
| Thermal Expansion | ? μm m-1 K-1 |
| Magnetic ordering | No data |
| Atomic Radii |
|
| Atomic Radius
|
175 pm |
| Bohr Radius
|
0 pm |
| Covalent Radius
|
0 pm |
| Van der Waals
|
0 pm |
| Oxidation States |
|
| Main
|
Am+3 |
| Other
|
Am+2, Am+4, Am+5, Am+6 |
Ionisation Energies (kJ mol-1)  |
|
| M - M+ |
578.2 |