Number of Isotopes: | 5 |
Electron Affinity (kJ/mol): | 111.5 |
First Ionization Energy (kJ/mol): | 736.7 |
Second Ionization Energy (kJ/mol): | 1752.9 |
Third Ionization Energy (kJ/mol): | 3393.4 |
Electronegativity: | 1.91 |
Polarizability (Å3): | 6.8 |
Atomic Volume (cm3/mol): | 6.6 |
Ionic Radius2- (pm): | No data |
Ionic Radius1- (pm): | No data |
Atomic Radius (pm): | 124 |
Ionic Radius1+ (pm): | No data |
Ionic Radius2+ (pm): | 83 |
Ionic Radius3+ (pm): | 72 |
Common Oxidation Numbers: | +2 |
Other Oxid. Numbers: | -1, +1, +3, +4 |