Electronic data
Shells: 2, 8, 8
Orbitals: [Ne] 3s2 3p6
Electronegativity: --, 3.2
1. Ionization potential: 15.7596 eV
2. Ionization potential: 27.629 eV
3. Ionization potential: 40.74 eV
Oxidation states: 0
Electrical conductivity: --
Thermal data
Melting point: -189.2 °C
Boiling point: -185.7 °C
Specific heat: 0.520 J/gK
Heat of fusion: 1.188 kJ/mol
Heat of vaporization: 6.447 kJ/mol
Thermal conductivity: 0.0001772 W/cmK
Steric data
Atomic radius: 0.88 Å
Ionic radius: -- Å
Covalent radius: 0.98 Å
Atomic volume: 23.9 cm³/mol
Density (293 K): 0.0017824 g/cm³
Crystal structure: cubic face centered