V2EX hydrogen atom

Hydrogen Atom

定义 Definition

氢原子:由一个质子(通常还有一个电子)组成的最简单原子,是宇宙中最常见的元素单位;在化学与量子物理中常用作基础模型。(也可指氢的不同同位素原子,如氕、氘、氚。)

例句 Examples

A hydrogen atom has one proton and one electron.
氢原子有一个质子和一个电子。

In the lab, the spectrum of the hydrogen atom helps scientists test quantum theory with great precision.
在实验室中,氢原子的光谱帮助科学家以很高的精度检验量子理论。

发音 Pronunciation (IPA)

/hadrdn tm/

词源 Etymology

hydrogen 源自希腊语词根 *hydro-*(“水”)+ -gen(“产生”),意为“产生水的元素”,因为氢燃烧会生成水;atom 来自希腊语 atomos,意为“不可分割的”。合起来 hydrogen atom 即“氢的原子”。

相关词 Related Words

文学与著作 Literary Works

  • A Brief History of Time(Stephen Hawking) 讨论宇宙早期物质与基本粒子时常提及氢原子/氢的形成。
  • Cosmos(Carl Sagan) 在讲述恒星与元素起源时涉及氢原子及其在宇宙中的丰富性。
  • The Feynman Lectures on Physics(Richard P. Feynman 等) 用氢原子作为理解量子行为与原子结构的核心例子。
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