V2EX pentavalent

Pentavalent

释义 Definition

pentavalent(形容词):五价的;具五个化合价/价键能力的。常用于化学,指元素在化合物中表现出价为 5(有时也与氧化态为 +5相关,但两者概念不完全等同)。在医学语境中也可指五联的/含五种成分的(如五联疫苗)。

发音 Pronunciation (IPA)

/pn.tve.lnt/

例句 Examples

Phosphorus is pentavalent in phosphate.
磷在磷酸盐中通常呈五价。

Pentavalent compounds of antimony and phosphorus often show different reactivity from their trivalent counterparts because of their bonding and electronic structure.
锑和磷的五价化合物常因其成键方式与电子结构不同,而表现出与三价化合物不同的反应性。

词源 Etymology

来自 **penta-**(希腊语前缀,意为“五”)+ valent(源自拉丁语 valēre,“有力量、起作用”,在化学中引申为“化合价/结合能力”)。字面意思就是“具有五种结合能力的”。

相关词 Related Words

文学与著作 Literary Works

  • Linus Pauling, The Nature of the Chemical Bond(讨论价键与价态概念时常出现诸如 pentavalent 的术语)
  • Peter Atkins & Julio de Paula, Atkins’ Physical Chemistry(在化学键与元素价态相关章节会使用该词)
  • N. N. Greenwood & A. Earnshaw, Chemistry of the Elements(元素化学中常用 pentavalent 描述如磷、锑等元素的五价化合物)
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