V2EX covalence

Covalence

释义 Definition

covalence(名词):共价性;共价键的形成倾向/程度。指原子通过共享电子对来形成化学键的性质或强弱(常与“covalent bond/共价键”及“valence/化合价、价”相关)。

发音 Pronunciation (IPA)

/kovelns/

例句 Examples

Covalence involves sharing electrons between atoms.
共价性指原子之间共享电子。

The covalence of carbon allows it to form stable chains and rings, which is why organic molecules can be so diverse.
碳的共价性使它能够形成稳定的链状和环状结构,这也是有机分子如此多样的原因。

词源 Etymology

covalence来自前缀 co-(“共同、一起”)+ valence(“价;化合能力”)。字面意思可理解为“共同的价/共同的成键能力”,强调原子共同使用(共享)电子来成键的概念。该术语与20世纪化学键理论的发展密切相关。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Linus Pauling,《The Nature of the Chemical Bond》(《化学键的本质》):系统讨论共价键与相关概念(包括共价性/共价特征)。
  • Peter Atkins,《Physical Chemistry》(《物理化学》):在量子化学与成键章节中常出现与“covalence”相关的表述与比较。
  • Raymond Chang / Zumdahl 等,《General Chemistry》(《普通化学》):在化学键、分子结构章节中用来解释共价键与离子键的差异及连续谱。
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