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单词
valence electron
释义
WordReference Random House Unabridged Dictionary of American English © 2024
va
′
lence elec′tron,
[
Chem.
]
Chemistry
an electron of an atom, located in the outermost shell (
va
′
lence shell′
) of the atom, that can be transferred to or shared with another atom.
1925–30
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更新时间:2026/3/23 6:20:16