scandium









scandium


noun Chemistry.

  1. a rare, trivalent, metallic element obtained from thortveitite. Symbol: Sc; atomic weight: 44.956; atomic number: 21; specific gravity: 3.0.

noun

  1. a rare light silvery-white metallic element occurring in minute quantities in numerous minerals. Symbol: Sc; atomic no: 21; atomic wt: 44.955910; valency: 3; relative density: 2.989; melting pt: 1541°C; boiling pt: 2836°C

n.1879, from Modern Latin Scandia (see Scandinavia) + chemical ending -ium. n. Symbol Sc

  1. A highly reactive metallic element found in various rare minerals and separated as a byproduct in the processing of certain uranium ores. Atomic number 21.

Sc

  1. A soft, silvery, very lightweight metallic element that is found in various rare minerals and is a byproduct in the processing of certain uranium ores. It has a high melting point and is used to make high-intensity lights. Atomic number 21; atomic weight 44.956; melting point 1,540°C; boiling point 2,850°C; specific gravity 2.99; valence 3. See Periodic Table.
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