Scandium
Esquema
Jerarquía
<materials by composition> > inorganic material > metal > <metal by composition or origin> > nonferrous metal
Descripción
Rare-earth metallic element having symbol Sc and atomic number 21. Scandium is a soft, silvery-white metal which does not tarnish in air. It was discovered in 1879 but predicted a decade earlier and given its initial name, ekaboron.
URI original del concepto
Otros términos
- Sc [en]
- ekaboron [en]