Electronic data
Shells: 2, 8, 18, 32, 18, 6
Orbitals: [Xe] 4f14 5d10 6s2 6p4
Electronegativity: 2.0, 1.8
1. Ionization potential: 8.4167 eV
2. Ionization potential: -- eV
3. Ionization potential: -- eV
Oxidation states: 6, 4, 2
Electrical conductivity: 0.0219 10^6
Thermal data
Melting point: 254 °C
Boiling point: 962 °C
Specific heat: 0.12 J/gK
Heat of fusion: -- kJ/mol
Heat of vaporization: -- kJ/mol
Thermal conductivity: 0.20 W/cmK
Steric data
Atomic radius: 1.53 Å
Ionic radius: -- Å
Covalent radius: 1.46 Å
Atomic volume: 22.23 cm³/mol
Density (293 K): 9.4 g/cm³
Crystal structure: monoclinic