Number of Isotopes: | 1 |
Electron Affinity (kJ/mol): | 18.1 |
First Ionization Energy (kJ/mol): | 631 |
Second Ionization Energy (kJ/mol): | 1235 |
Third Ionization Energy (kJ/mol): | 2389 |
Electronegativity: | 1.36 |
Polarizability (Å3): | 17.8 |
Atomic Volume (cm3/mol): | 15 |
Ionic Radius2- (pm): | No data |
Ionic Radius1- (pm): | No data |
Atomic Radius (pm): | 162 |
Ionic Radius1+ (pm): | No data |
Ionic Radius2+ (pm): | No data |
Ionic Radius3+ (pm): | 88.5 |
Common Oxidation Numbers: | +3 |
Other Oxid. Numbers: | +1, +2 |