halogen atom造句
造句与例句手机版
- 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。 - 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。 - It's difficult to see halogen atom in a sentence. 用halogen atom造句挺难的
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