Number of Isotopes: | 1 |
Electron Affinity (kJ/mol): | 63.8 |
First Ionization Energy (kJ/mol): | 758.4 |
Second Ionization Energy (kJ/mol): | 1646 |
Third Ionization Energy (kJ/mol): | 3232.2 |
Electronegativity: | 1.88 |
Polarizability (Å3): | 7.5 |
Atomic Volume (cm3/mol): | 6.6 |
Ionic Radius2- (pm): | No data |
Ionic Radius1- (pm): | No data |
Atomic Radius (pm): | 125 |
Ionic Radius1+ (pm): | No data |
Ionic Radius2+ (pm): | 83.8 |
Ionic Radius3+ (pm): | 71.8 |
Common Oxidation Numbers: | +2, +3 |
Other Oxid. Numbers: | -1, +1, +4, +5 |