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