这个最外层被称作价电子层。
卤原子在它们的价电子层含有七个电子,因此是一价的。
Halogen atoms contain seven electrons in their valence shell, and, consequently, are monovalent.
在原子价电子层结构的基础上提出了原子结构半径和键参数的概念,并利用键参数研究碱金属卤化物晶格焓。
This article makes a detailed analysis of the definition of atomic radius and ionic radius, so that the two terms can be well understood and used in the course of teaching.
在原子价电子层结构的基础上提出了原子结构半径和键参数的概念,并利用键参数研究碱金属卤化物晶格焓。
This article makes a detailed analysis of the definition of atomic radius and ionic radius, so that the two terms can be well understood and used in the course of teaching.
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