V2EX monovalence

Monovalence

定义 Definition

monovalence(单价;一价性)指原子或离子只能形成一个化学键的性质;也可指具有一价(+1 或 1)价态/化合价的状态(最常见用于化学语境,如“单价离子”“单价原子”)。

例句 Examples

Sodium shows monovalence in sodium chloride.
在氯化钠中,钠表现为一价性。

Because of its monovalence, the ion typically forms only one stable bond in this compound, which strongly influences the crystal structure.
由于其一价性,这种离子在该化合物中通常只形成一个稳定键,从而显著影响晶体结构。

发音 Pronunciation (IPA)

/mnvelns/

词源 Etymology

来自 mono-(“单、一”,源自希腊语 monos)+ valence(“价;化合力”,与拉丁语 valere “强、有力”同源)。字面意思就是“单一的价/化合能力”。

相关词 Related Words

文学与著作 Literary Works

  • Linus Pauling, General Chemistry(《普通化学》)中讨论价与键合时会使用/涉及 monovalence 的概念与表述。
  • A. F. Holleman & Egon Wiberg, Inorganic Chemistry(《无机化学》)在描述单价离子、卤素化学与键合类型时常出现相关用语。
  • *IUPAC Compendium of Chemical Terminology (Gold Book)*(《IUPAC 化学术语汇编金皮书》)对价态/价(valence)相关术语的规范化表述中与 monovalence/monovalent 密切相关。
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