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单词 valence
释义

valence1

/ˈveɪl(ə)ns /
noun Chemistry & Linguistics
1 another term for valency.The difference in the valence of phosphorous and silicon provides the free electrons needed for metal-like behaviour....
  • These data can only be explained if one assumes that the affective valence of the prime is processed, even though this is not necessary for the task at hand.
1.1 [as modifier] Relating to or denoting electrons involved in or available for chemical bond formation: molecules with unpaired valence electrons...
  • Nonmetals with eight valence electrons are chemically unreactive.
  • The electrons in the highest energy level are called valence electrons.
  • The metalloids have an intermediate number of valence electrons.

Rhymes

valence2

noun
Variant spelling of valance.
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更新时间:2024/9/20 17:23:39