Scandium

Scandium is a soft, silvery white metal. It has been identified in several minerals, including cerite, orthite, thertveitite, wolframite and euxenite (a niobate, tantalate and titanate of several rare elements in which scandium was originally discovered). It is a metal which tarnishes in air (shows a pink colouration), burns easily and reacts with water to produce hydrogen gas. Applications for scandium have not yet been fully investigated and its use is limited primarily to research.

Symbol

Sc

Discovered

1879 by L.F. Nilson and takes its name from the Latin word "Scandia", meaning "Scandinavia".

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Atomic number	21		Clip
Atomic / Molecular Weight	44.95591	gmol-1	Clip
Density	2992	kgm-3	Clip
Crystal Structure	hcp / fcc at 1223K		Clip
Lattice constant	331	fm	Clip
Melting Point	1773	K	Clip
Boiling Point	3073	K	Clip
Specific heat capacity	556	Jkg-1K-1	Clip
Thermal conductivity	16	Wm-1K-1	Clip

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See also: Periodic Table.