All right, so it's very common to talk about electronegativity of different atoms, and you can look up tables of these.

好，这是很常见的,对于不同原子电负性的讨论，大家可以查阅这方面的表格。

麻省理工公开课 - 化学原理课程节选

So, if you look in chapter one, you will find these definitions for different atomic groupings starting down here with the elements and moving through up through complex matter.

如果你们读第一章，你们会发现不同的原子组的定义,从底下开始有一些基本原理,往上还有复杂的物质。

麻省理工公开课 - 固态化学导论课程节选