价电子层 meaning in English
valence shell
Examples
- 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。 - Through analysis on the structure of valence electron shell , the atom radius , the bonding orbital and other important parameters , this paper discusses the irregularity in the second circle of nonmetal elements and the irregular courses
摘要本文通过对第二周期元素价电子层结构、原子半径、成键轨道及其重要参数的分析，讨论了第二周期非金属元素的不规则现象，并且分析了产生这些不规则性的原因。