V2EX intermolecular forces

Intermolecular Forces

定义 Definition

分子间作用力”:指不同分子之间的吸引或排斥作用的总称,强度通常弱于分子内部的化学键(如共价键)。常见类型包括范德华力(色散力、偶极-偶极作用等)和氢键等。(在不同学科/语境下也可能有更细分的分类。)

发音 Pronunciation

/ntrmlkjlr frsz/

例句 Examples

Intermolecular forces hold the liquid together.
分子间作用力使液体聚集在一起。

Because intermolecular forces vary among substances, their boiling points and viscosities can differ dramatically.
由于不同物质的分子间作用力不一样,它们的沸点和黏度可能会有显著差异。

词源 Etymology

inter-(“在……之间”)+ molecular(“分子的”,来自 molecule “分子”)+ forces(“力”)构成,字面意思就是“分子与分子之间的力”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Atkins’ Physical Chemistry(Peter Atkins 等,《阿特金斯物理化学》)在讲解气体、液体与相变时多次讨论分子间作用力。
  • Chemistry: The Central Science(Brown, LeMay 等,《化学:中心科学》)用于解释沸点、溶解性、表面张力等宏观性质。
  • General Chemistry(Linus Pauling,《普通化学》)在讨论分子结构与物质性质联系时涉及分子间作用力。
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