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单词
hypervalent compounds
释义
hypervalent compounds
hypervalent compounds
[
‚hī·pər¦vā·lənt ′käm‚pau̇nz
]
(chemistry)
Stable compounds of the main group elements in the third row of the periodic table, such as silicon, phosphorus, and sulfur, that have more than eight valence shell electrons, for example, PF
5
and SF
4
.
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更新时间:2025/6/23 5:11:11