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-1Clip
Density 2992 kgm-3Clip
Crystal Structure hcp / fcc at 1223K Clip
Lattice constant 331 fmClip
Melting Point 1773 KClip
Boiling Point 3073 KClip
Specific heat capacity 556 Jkg-1K-1Clip
Thermal conductivity 16 Wm-1K-1Clip
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See also: Periodic Table.

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Subjects: Chemistry