Atomic Number: 21

Name: Scandium

Atomic symbol: Sc

Atomic Weight: 44.9559

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹4s²

Ionization energies: 631 kJ/mol

Pauling electronegativity: 1.3

Melting Point: 1541^oC

Boiling Point: 2831^oC

Density: 3.0 g/cm³

Covalent radius: 1.44 angstroms

Ionic radius: 0.73 angstroms (+3)

Metallic radius: 1.64 angstroms

Common oxidation states in compounds: +3