Number of Isotopes: | 2 |
Electron Affinity (kJ/mol): | 118.5 |
First Ionization Energy (kJ/mol): | 745.4 |
Second Ionization Energy (kJ/mol): | 1957.9 |
Third Ionization Energy (kJ/mol): | 3553.5 |
Electronegativity: | 1.95 |
Polarizability (Å3): | 6.7 |
Atomic Volume (cm3/mol): | 7.1 |
Ionic Radius2- (pm): | No data |
Ionic Radius1- (pm): | No data |
Atomic Radius (pm): | 128 |
Ionic Radius1+ (pm): | 91 |
Ionic Radius2+ (pm): | 87 |
Ionic Radius3+ (pm): | 68 |
Common Oxidation Numbers: | +2 |
Other Oxid. Numbers: | +1, +3, +4 |