Atomic Number 21     Atomic Mass 44.9559100     Density 2.9890 g/mL

State solid     Color silvery yellow      Electronegativity 1.36

Melting Point 1541°C     Boiling Point 2831°C

Natural Isotopes Sc-45 100%

Abbreviated Electron Configuration [Ar] 3d¹ 4s²

Discovered by Lars Nilson in 1879.