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21 Sc Scandium

Transition metal, mass: 44.956 u, 1 stable isotope (45), abundance rank (earth/space): 50/33

Click image to magnify. Ultrapure crystalline scandium, 5 grams. Original size in cm: 2
Scandium Scandium crystals
Scandium is the first transition metal and the first rare earth element, the latter also includes yttrium and the lanthanoids. The ignoble light metal has only a few applications, because its chemistry isn't so complex and it also is rather expensive. It is used in high-quality, light alloys, e.g. for frames of racing bicycles.

Scandium with thin oxide layer Oxidized scandium
Left: Scandium, slightly oxidized in air and therefore a bit yellowish.
Right: Scandium powder, stronger oxidized (about 1% Sc2O3). 3 grams, vial diameter 2 cm.


Creative Commons License The images are licensed under a Creative Commons Attribution 3.0 Unported License, unless otherwise noted. Attribution by linking to the according element page.


Page last changed on December 15. 2009

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