Argon
Electron Configuration: 2,8,8
Enthalpy of Fusion (kJ mol-1): 1.21
Enthalpy of Vaporisation (kJ mol-1): 6.53
Atomic Radii
Atomic Radius 71 pm
Bohr Radius 71 pm
Covalent Radius 97 pm
Van der Waals 188 pm
Oxidation States
Main Ar0
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 1520.4
M+ - M2+ 2665.2
M2+ - M3+ 3928
M3+ - M4+ 5770
M4+ - M5+ 7238
M5+ - M6+ 8811
M6+ - M7+ 12021
M7+ - M8+ 13844
M8+ - M9+ 40759
M9+ - M10+ 46186