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halogen

英 ['h?l?d?(?)n; 'he?l-] 美['h?l?d??n]
  • n. [化學(xué)] 鹵素

暢通詞匯

中文詞源


halogen 鹵素

halo-,鹽,詞源同salt,-gen,生成,詞源同generate.即生成鹽的鹵素。

英文詞源


halogen (n.)
general name for elements of the chlorine family, 1842, from Swedish, coined by Swedish chemist Baron J?ns 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.

雙語(yǔ)例句


1. Halogen atoms contain seven electrons in their valence shell.
鹵原子在它們的介電子層含有七個(gè)電子.

來(lái)自辭典例句

2. Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.
毫無(wú)疑問(wèn),氯仿是含碳?鹵鍵的最重要的化合物之一.

來(lái)自辭典例句

3. The formation of polyhalides depends on the combination of a central halide ion with a halogen.
多鹵化物的形成取決于中心鹵化物離子與鹵素的結(jié)合.

來(lái)自辭典例句

4. Halogen atoms contain seven electrons in their valence shell, and , consequently, are monovalent.
鹵原子在它們的價(jià)電子層含有七個(gè)電子, 因此是一價(jià)的.

來(lái)自辭典例句

5. The cable achieves the performance of low smoke halogen free.
電纜具有低煙、無(wú)鹵特性.

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