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Scandium
Electron Configuration 2,8,9,2
Electron Configuration [Ar] 3d1 4s2
Electronegativity 1.36
Enthalpy of Fusion 15.9 kJ mol-1
Enthalpy of Vaporisation 376.1 kJ mol-1
Heat Capacity 25.52 J mol-1 K-1
Thermal Conductivity 15.8 W m-1 K-1
Thermal Expansion 10.2 μm m-1 K-1
Magnetic ordering No data
Electrical resistivity 562 Ω m
Young's modulus 74.4 GPa
Shear modulus GPa
Bulk modulus 56.6 GPa
Poisson ratio 0.279
Brinell hardness 750 MPa
Atomic Radii
Atomic Radius 160 pm
Bohr Radius 184 pm
Covalent Radius 144 pm
Van der Waals 0 pm
Oxidation States
Main Sc+2, Sc+3
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 631
M+ - M2+ 1235
M2+ - M3+ 2389
M3+ - M4+ 7089
M4+ - M5+ 8844
M5+ - M6+ 10720
M6+ - M7+ 13320
M7+ - M8+ 15310
M8+ - M9+ 17369
M9+ - M10+ 21740