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Valence Vag

Valence
生词本

Noun

1. (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate

2. (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)

1. Hydrogen is a one-valence element.
氢是一价的元素。

来自《现代汉英综合大词典》