V2EX divalent

Divalent

释义 Definition

(尤指化学中)二价的;有两个化合价的;能形成两条键的。常见于描述某些离子或元素(如 Mg、Ca)。

发音 Pronunciation (IPA)

/davelnt/

例句 Examples

A divalent ion carries a charge of +2 or 2.
二价离子带有 +2 或 2 的电荷。

Calcium is divalent, so it can form stable compounds by bonding with two monovalent atoms.
钙是二价的,因此它可以通过与两个一价原子成键来形成稳定的化合物。

词源 Etymology

来自拉丁语前缀 **di-**(“二、双”)与 valent(“有……价/有……结合能力的”)组合而成;在化学语境中强调“能形成两个化学键/具有二价”的性质。

相关词 Related Words

文学作品中的用例 Literary Works

  • The Periodic Table Primo Levi
  • A Brief History of Time Stephen Hawking
  • Silent Spring Rachel Carson
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