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单词 scandium
释义

WordReference Random House Unabridged Dictionary of American English © 2024
scan•di•um  (skan′dē əm),USA pronunciation n. [Chem.]
  1. Chemistrya rare, trivalent, metallic element obtained from thortveitite. Symbol: Sc;
    at. wt.: 44.956;
    at. no.: 21;
    sp. gr.: 3.0.
  • Neo-Latin; see Scandia, -ium
  • 1875–80

Collins Concise English Dictionary © HarperCollins Publishers::
scandium /ˈskændɪəm/ n
  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
Etymology: 19th Century: from New Latin, from Latin Scandia Scandinavia, where it was discovered
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更新时间：2025/7/23 17:43:03