Francium
Electron Configuration: 2,8,18,32,18,8,1
Enthalpy of Fusion (kJ mol-1): n/a
Enthalpy of Vaporisation (kJ mol-1): n/a
Atomic Radii
Atomic Radius 270 pm
Bohr Radius 0 pm
Covalent Radius 0 pm
Van der Waals 0 pm
Oxidation States
Main Fr+1
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 400
M+ - M2+ 2100
M2+ - M3+ 3100
M3+ - M4+ 4100
M4+ - M5+ 5700
M5+ - M6+ 6900
M6+ - M7+ 8100
M7+ - M8+ 12300
M8+ - M9+ 12800
M9+ - M10+ 29300