1. Home
  2. top of the aat hierarchies
  3. Materials Facet
  4. Materials (hierarchy name)
  5. materials (substances)
  6. [materials by composition]
  7. inorganic material
  8. metal
  9. [metal by composition or origin]
  10. nonferrous metal
  11. scandium
Scope note
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.
Accepted term: 15-Jul-2024