Number of Isotopes: | 7 |
Electron Affinity (kJ/mol): | 50 |
First Ionization Energy (kJ/mol): | 603.4 |
Second Ionization Energy (kJ/mol): | 1176 |
Third Ionization Energy (kJ/mol): | 2415 |
Electronegativity: | 1.21 |
Polarizability (Å3): | 21 |
Atomic Volume (cm3/mol): | 24.8 |
Ionic Radius2- (pm): | No data |
Ionic Radius1- (pm): | No data |
Atomic Radius (pm): | 193 |
Ionic Radius1+ (pm): | No data |
Ionic Radius2+ (pm): | 116 |
Ionic Radius3+ (pm): | 100.8 |
Common Oxidation Numbers: | +3 |
Other Oxid. Numbers: | +2 |