Beryllium
Electron Configuration: 2,2
Enthalpy of Fusion (kJ mol-1): 9.80
Enthalpy of Vaporisation (kJ mol-1): 308.8
Atomic Radii
Atomic Radius 105 pm
Bohr Radius 112 pm
Covalent Radius 90 pm
Van der Waals 0 pm
Oxidation States
Main Be+2
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 899.4
M+ - M2+ 1757.1
M2+ - M3+ 14848
M3+ - M4+ 21006
Covalent Bonds (kJ mol-1)
Be-H 226
Be-O 523
Be-F 615
Be-Cl 293