Number of Isotopes: | 2 |
Electron Affinity (kJ/mol): | 151 |
First Ionization Energy (kJ/mol): | 880 |
Second Ionization Energy (kJ/mol): | Not applicable |
Third Ionization Energy (kJ/mol): | Not applicable |
Electronegativity: | 2.2 |
Polarizability (Å3): | 7.6 |
Atomic Volume (cm3/mol): | 8.5 |
Ionic Radius2- (pm): | No data |
Ionic Radius1- (pm): | No data |
Atomic Radius (pm): | 136 |
Ionic Radius1+ (pm): | No data |
Ionic Radius2+ (pm): | No data |
Ionic Radius3+ (pm): | 82 |
Common Oxidation Numbers: | +3, +4 |
Other Oxid. Numbers: | -1, +1, +2, +5, +6 |