V2EX allotrope

Allotrope

定义 Definition

同素异形体:指同一种化学元素在相同物理状态下,由于原子排列或键合方式不同而形成的不同结构形式,因此表现出不同的物理、化学性质。(例如:碳的金刚石与石墨。)

发音 Pronunciation (IPA)

/l..trop/

例句 Examples

Carbon has several allotropes, including graphite and diamond.
碳有几种同素异形体,包括石墨和金刚石。

Because different allotropes have different bonding structures, they can vary greatly in hardness and electrical conductivity.
由于不同同素异形体的键合结构不同,它们在硬度和导电性方面可能差异很大。

词源 Etymology

allotrope 来自希腊语词根:**allo-**(“其他的、不同的”)+ -tropos(“方式、转变”)。原意强调“以不同方式存在”,后来用于化学中描述“同一元素以不同结构形态存在”的现象。

相关词 Related Words

文学与名著用例 Literary Works

  • Primo Levi,《The Periodic Table》(《元素周期表》):书中以元素与化学概念串联人生经验,涉及碳及其结构差异等相关讨论(常与同素异形体的概念相邻出现)。
  • Isaac Asimov,《Asimov’s Guide to Science》(《阿西莫夫科学指南》):在讲解元素与物质结构时,常用“同素异形体”作为典型例子(如碳、磷等)。
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