V2EX hydrogen spectrum

Hydrogen Spectrum

释义 Definition

hydrogen spectrum氢原子(或氢气)在发射或吸收光时呈现的一组特征谱线(离散的颜色/波长)。它是原子能级量子化的重要证据,常见系列包括莱曼系(紫外)巴耳末系(可见光)等。(在更广义的语境中也可指氢分子的光谱,但最常用的是氢原子谱。)

发音 Pronunciation (IPA)

/hadrdn spktrm/

例句 Examples

Hydrogen spectrum lines appear at specific wavelengths.
氢光谱线会出现在特定的波长位置上。

By analyzing the hydrogen spectrum, scientists inferred that electrons occupy quantized energy levels rather than continuous ones.
通过分析氢光谱,科学家推断电子占据的是量子化能级,而不是连续的能量状态。

词源 Etymology

hydrogen 来自希腊语词根 *hydro-*(水)+ -gen(产生),原意是“产水的元素”,因为氢燃烧会生成水;spectrum 源自拉丁语 spectrum(“影像、显现”),在科学语境中发展为“光谱”。合在一起,hydroen spectrum 就是“氢的光谱”。

相关词 Related Words

文学与著作 Literary Works

  • J. J. Thomson《Rays of Positive Electricity and Their Application to Chemical Analyses》:讨论原子与光谱现象的经典早期著作中常以氢谱线为重要例子。
  • Niels Bohr 相关论文(关于原子结构与谱线):氢光谱是其原子模型的核心验证对象之一。
  • Richard P. Feynman《The Feynman Lectures on Physics》:在讲解原子能级与量子理论时会以氢的谱线系列作为关键示例。
  • David J. Griffiths《Introduction to Quantum Mechanics》:氢原子与其光谱是入门量子力学中反复出现的标准案例。
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