第二周期 meaning in English
thesecondcycle
Examples
- What is the maximum number of electrons in an atom in period 2
第二周期原子电子数最多为多少 - Experience in being the first pilot unit for the second - cycle hospital evaluation and suggestions
第二周期医院评审首家试点的体会和建议 - Calculation of scattering cross section of the electron and the second period element atom
低能电子与第二周期元素原子碰撞截面的理论计算 - 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。