Number of Isotopes: | 2 |
Electron Affinity (kJ/mol): | 125.6 |
First Ionization Energy (kJ/mol): | 731 |
Second Ionization Energy (kJ/mol): | 2073.5 |
Third Ionization Energy (kJ/mol): | 3360.6 |
Electronegativity: | 1.93 |
Polarizability (Å3): | 7.9 |
Atomic Volume (cm3/mol): | 10.3 |
Ionic Radius2- (pm): | No data |
Ionic Radius1- (pm): | No data |
Atomic Radius (pm): | 144 |
Ionic Radius1+ (pm): | 129 |
Ionic Radius2+ (pm): | 108 |
Ionic Radius3+ (pm): | 89 |
Common Oxidation Numbers: | +1 |
Other Oxid. Numbers: | +2, +3 |