V2EX complex ion

Complex Ion

Definition / 定义

复合离子(配合离子):由一个中心金属离子与一个或多个配体(如 NH、HO、CN 等)通过配位键结合而成、整体带电的粒子,例如 [Cu(NH)]、**[Fe(CN)]**。在水溶液中常影响颜色、溶解度与反应性。(在不同语境中也可称“配位络离子”。)

Pronunciation / 发音

/kmpleks an/ (AmE)
/kmpleks an/ (BrE)

Examples / 例句

Adding ammonia forms a complex ion with copper(II).
加入氨水会与二价铜形成复合离子。

Because the ligand field stabilizes the complex ion, the equilibrium shifts and the solution changes color noticeably.
由于配体场会稳定该复合离子,平衡发生移动,溶液颜色也会明显改变。

Etymology / 词源

complex 来自拉丁语 complexus(“缠绕在一起、交织的”),强调“由多部分结合成整体”;ion 来自希腊语 ion(“行走者”),在化学中指“带电、会迁移的粒子”。合在一起,complex ion 字面含义就是“由多个组分结合而成的带电整体”。

Related Words / 相关词

Notable Works / 作品例举

  • Inorganic Chemistry(Cotton & Wilkinson)
  • Chemistry: The Central Science(Brown, LeMay 等)
  • General Chemistry(Linus Pauling)
  • The Nature of the Chemical Bond(Linus Pauling)
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