V2EX basicity

Basicity

释义 Definition

basicity(碱性;碱度):在化学中指一种物质表现为“碱”的程度,常与其接受质子(BrnstedLowry 碱)提供电子对(Lewis 碱)的能力相关;也可指某些酸能释放的氢离子数(如“酸的元数/碱度”这一较专门用法)。更常见的学习语境里,指“碱强不强”。

例句 Examples

Water has low basicity compared with ammonia.
水的碱性(碱度)比氨弱得多。

In organic reactions, the basicity of a reagent can strongly influence whether substitution or elimination dominates.
在有机反应中,试剂的碱性强弱会显著影响取代反应还是消除反应占主导。

发音 Pronunciation (IPA)

/bssti/

词源 Etymology

basicitybasic(碱性的/基本的)+ -ity(名词后缀,表示“性质、状态”)构成,整体意思就是“碱性的程度/这种性质”。base 一词可追溯到希腊语 basis(“底座、基础”),后来在化学语境中发展出“碱”的含义。

相关词 Related Words

文学与著作 Literary Works

  • IUPAC Gold Book(《国际纯粹与应用化学联合会术语金书》)用于规范解释与使用 basicity 等术语
  • Peter Atkins & Julio de Paula, Physical Chemistry(《物理化学》)讨论酸碱理论与碱性强弱的比较
  • Jonathan Clayden et al., Organic Chemistry(《有机化学》)在反应机理中频繁涉及碱性对路径选择的影响
  • Miessler, Fischer & Tarr, Inorganic Chemistry(《无机化学》)涉及配位化学与 Lewis 碱性相关内容
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