Indium
Electron Configuration: 2,8,18,18,3
Enthalpy of Fusion (kJ mol-1): 3.27
Enthalpy of Vaporisation (kJ mol-1): 231.8
Atomic Radii
Atomic Radius 155 pm
Bohr Radius 156 pm
Covalent Radius 144 pm
Van der Waals 193 pm
Oxidation States
Main In+3
Other In+1, In+2
Ionisation Energies (kJ mol-1) show graph
M - M+ 558.3
M+ - M2+ 1820.6
M2+ - M3+ 2704
M3+ - M4+ 5200
M4+ - M5+ 7400
M5+ - M6+ 9500
M6+ - M7+ 11700
M7+ - M8+ 13900
M8+ - M9+ 17200
M9+ - M10+ 19700