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 bivalence, covalence, surveillance valence2 noun Variant spelling of valance.
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