Scandium is a chemical element with symbol Sc and atomic number 21. A silvery-white metallic d-block element, it has historically been classified as a rare earth element, together with yttrium and the lanthanides.

Atomic Weight: 44.955908
 Density:      2.985 g/cm3
Melting Point: 1541 °C
Boiling Point: 2830 °C