halogen是什麼意思 halogen的用法 halogen怎麼讀

halogen

英 ['hælədʒ(ə)n; 'heɪl-]美 ['hælədʒən]

n. [化學] 鹵素

星級詞彙:★

padding-bottom: 94.27%;">

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。

英語詞源

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.

權威例句

1. Halogen atoms contain seven electrons in their valence shell.

滷原子在它們的介電子層含有七個電子.

2. Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.

毫無疑問,氯仿是含碳?滷鍵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.

多鹵化物的形成取決於中心鹵化物離子與鹵素的結合.

4. Halogen atoms contain seven electrons in their valence shell, and , consequently, are monovalent.

滷原子在它們的價電子層含有七個電子, 因此是一價的.

5. The cable achieves the performance of low smoke halogen free.

電纜具有低煙、無滷特性.

來自互聯網

[ halogen 造句 ]