Electronic data
Shells: 2, 8, 18, 32, 18, 4
Orbitals: [Xe] 4f14 5d10 6s2 6p2
Electronegativity: 1.9, 1.6
1. Ionization potential: 7.4167 eV
2. Ionization potential: 15.028 eV
3. Ionization potential: 31.943 eV
Oxidation states: 4, 2
Electrical conductivity: 0.0481 10^6
Thermal data
Melting point: 327.502 °C
Boiling point: 1740 °C
Specific heat: 0.13 J/gK
Heat of fusion: 4.799 kJ/mol
Heat of vaporization: 177.70 kJ/mol
Thermal conductivity: 0.353 W/cmK
Steric data
Atomic radius: 1.81 Å
Ionic radius: 1.19 Å (+2)
Covalent radius: 1.47 Å
Atomic volume: 18.17 cm³/mol
Density (293 K): 11.34 g/cm³
Crystal structure: cubic face centered
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