|
Physical properties |
| Phase |
solid |
| Density (near r.t.) |
10.49 g/cm3 |
| Liquid density at m.p. |
9.320 g/cm3 |
| Melting point |
1234.93 K (961.78°C, 1763.2°F) |
| Boiling point |
2435 K (2162°C, 3924°F) |
| Heat of fusion |
11.28 kJ/mol |
| Heat of vaporization |
258 kJ/mol |
| Heat capacity |
(25°C) 25.350 J/(mol K) |
| |
| Atomic Properties |
| Crystal structure |
cubic face centered |
| Oxidation states |
1 (amphoteric oxide) |
| Electronegativity |
1.93 (Pauling scale) |
| Ionization energies |
|
| 1st: |
731.0 kJ/mol |
| 2nd: |
2070 kJ/mol |
| 3rd: |
3361 kJ/mol |
| Atomic radius |
160 pm |
| Atomic radius (calc.) |
165 pm |
| Covalent radius |
153 pm |
| Van der Waals radius |
172 pm |
|
