弘扬国学 · 传承文化

halogen

英 ['hælədʒ(ə)n; 'heɪl-] 美 ['hælədʒən]

解释

n. [化学] 卤素

※ 提供单词"halogen"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

中文词源

halogen 卤素

halo-,盐，词源同salt,-gen,生成，词源同generate.即生成盐的卤素。

英文词源

halogen (n.): general name for elements of the chlorine family, 1842, from Swedish, coined by Swedish chemist Baron Jöns Jakob Berzelius (1779-1848), literally "salt-producer," from Greek hals "salt" (see halo-) + -gen "giving birth to" (see -gen); so called because a salt is formed in reactions involving these four elements. Related: Halogenous.

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例句和用法

1. Halogen atoms contain seven electrons in their valence shell.: 卤原子在它们的介电子层含有七个电子.

2. Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.: 毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.

3. The formation of polyhalides depends on the combination of a central halide ion with a halogen.: 多卤化物的形成取决于中心卤化物离子与卤素的结合.

4. Halogen atoms contain seven electrons in their valence shell, and , consequently, are monovalent.: 卤原子在它们的价电子层含有七个电子, 因此是一价的.

5. The cable achieves the performance of low smoke halogen free.: 电缆具有低烟、无卤特性.