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单词 valence electron
释义

WordReference Random House Unabridged Dictionary of American English © 2024
valence elec′tron, [Chem.]
  1. Chemistryan electron of an atom, located in the outermost shell (valence shell′) of the atom, that can be transferred to or shared with another atom.
  • 1925–30

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更新时间:2025/2/23 16:04:58