V2EX ionic compound

Ionic Compound

Definition 定义

离子化合物:由带相反电荷的离子(通常是金属阳离子与非金属阴离子)通过静电吸引(离子键)结合形成的化合物。常见特征包括:熔点较高、固态时一般不导电、熔融或溶于水后常能导电。(在不同条件下也有例外与更复杂情况。)

Pronunciation 发音

/a..nk km.pand/

Examples 例句

Table salt (NaCl) is an ionic compound.
食盐(NaCl)是一种离子化合物。

Because ionic compounds form crystal lattices, they often have high melting points and conduct electricity only when molten or dissolved.
由于离子化合物会形成晶格结构,它们通常熔点较高,并且一般只在熔融或溶解时导电。

Etymology 词源

ionic 来自 ion(离子),而 ion 源自希腊语 ienai(“行走、移动”),强调带电粒子在电场中“移动”的特性;compound 源自拉丁语 componere(“组合在一起”)。合起来字面意思就是“由离子组合而成的化合物”。

Related Words 相关词汇

Literary Works 文献与著作中的用例

  • Linus Pauling General Chemistry(《普通化学》):讲解离子键与离子化合物的基本性质与结构。
  • Linus Pauling The Nature of the Chemical Bond(《化学键的本质》):讨论离子键、晶体结构与化学键理论框架。
  • Raymond Chang Chemistry(《化学》):在入门章节中系统介绍离子化合物、晶格能与溶液导电性。
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