Atomic Radii
Atomic Radius
Bohr Radius
Covalent Radius
Van der Waals
| Astatine | |
| Electron Configuration | 2,8,18,32,18,7 |
| Electron Configuration | [Xe]] 4f14 5d10 6s2 6p5 |
| Electronegativity | 2.2 |
| Enthalpy of Fusion | 23.8 kJ mol-1 |
| Enthalpy of Vaporisation | n/a kJ mol-1 |
| Heat Capacity | ? J mol-1 K-1 |
| Thermal Conductivity | 1.7 W m-1 K-1 |
| Thermal Expansion | ? μm m-1 K-1 |
| Magnetic ordering | No data |
| Atomic Radii |
|
| Atomic Radius
|
145 pm |
| Bohr Radius
|
0 pm |
| Covalent Radius
|
0 pm |
| Van der Waals
|
0 pm |
| Oxidation States |
|
| Main
|
At-1, At+1, At+3 |
| Other
|
|
Ionisation Energies (kJ mol-1)  |
|
| M - M+ |
930 |
| M+ - M2+ |
1600 |
| M2+ - M3+ |
2900 |
| M3+ - M4+ |
4000 |
| M4+ - M5+ |
4900 |
| M5+ - M6+ |
7500 |
| M6+ - M7+ |
8800 |
| M7+ - M8+ |
13300 |
| M8+ - M9+ |
15400 |
| M9+ - M10+ |
17700 |
| Covalent Bonds (kJ mol-1) |
|
| At-At
|
110 |