Number of Isotopes: | 6 |
Electron Affinity (kJ/mol): | 205.3 |
First Ionization Energy (kJ/mol): | 870 |
Second Ionization Energy (kJ/mol): | 1791 |
Third Ionization Energy (kJ/mol): | Not applicable |
Electronegativity: | 2.28 |
Polarizability (Å3): | 6.5 |
Atomic Volume (cm3/mol): | 9.1 |
Ionic Radius2- (pm): | No data |
Ionic Radius1- (pm): | No data |
Atomic Radius (pm): | 139 |
Ionic Radius1+ (pm): | No data |
Ionic Radius2+ (pm): | 94 |
Ionic Radius3+ (pm): | No data |
Common Oxidation Numbers: | +2, +4 |
Other Oxid. Numbers: | +5, +6 |