Electron affinity is actually the ability of an atom, or we could also talk about an ion to gain electrons.

电子亲和能其实就是一个原子，或者我们也可以讨论离子获取电子的能力。

麻省理工公开课 - 化学原理课程节选

But I expect that like many of our students here that's just one of multiple affinity groups you might have chosen to become part of.

但，我说的没错的话，跟许多别的学生一样,那只是你能够选择的,许多兴趣小组之一。

普林斯顿公开课 - 人性课程节选

- So most of you recognize, if we switch back to the notes, that they do have a negative electron affinity.

看来大部人都想到了，如果你翻翻讲义的话，它们的电子亲和能确实是负的。

麻省理工公开课 - 化学原理课程节选

You can think of electron affinity as sort of the ionization in reverse of the ion.

电子亲合,是离子化的逆过程。

麻省理工公开课 - 固态化学导论课程节选

We'll then take a turn to talking about the periodic table, we'll look at a bunch of periodic trends, including ionization energy, electron affinity, electronegativity and atomic radius.

然后我们再开始讲元素周期表，我们会看到很多周期性规律，比如电离能，电子亲和能，电负性以及原子半径。

麻省理工公开课 - 化学原理课程节选

We talked about ionization energy, electron affinity, we talked about electronegativity, which is just kind of a combination of the first two, and then ended with atomic radius here.

我们讲了电离能的，电子亲和能的，还讲了电负性的，也就是前两个的组合，最后讲了原子半径的。

麻省理工公开课 - 化学原理课程节选

So chlorine, if we talk about it in terms of electron affinity, we would be writing that we're actually gaining an electron here, and getting the ion, c l minus.

那么，氯，如果我们要讨论它的电子亲和能，我们会假设它真的得到了,一个电子而变成离子，负一价的氯。

麻省理工公开课 - 化学原理课程节选

So, basically any time we have a really high positive number of electron affinity, it means that that atom or ion really wants to gain another electron, and it will be very stable and happy if it does so.

因此，基本上无论什么时候,只要我们有一个很大的正的电子亲和能，这就意味着这个原子,或离子非常希望得到一个电子，如果它得到了，会变得更稳定更开心。

麻省理工公开课 - 化学原理课程节选

So if we think about the upper right hand part of the quadrant, well, this is where we're going to have high electron affinity and high ionization energy, so we're also going to see high electronegativity here.

那么让我们来看看右上方的部分，好，在这里我们将会有高的电子亲和能,与高的电离能，因此我们会看到这里的电负性也很高。

麻省理工公开课 - 化学原理课程节选

So, we were talking, however, about energy in terms of electron affinity, so we can actually relate electron affinity to any reaction by saying if we have this reaction written as here where we're gaining an electron, we say that electron affinity is just equal to the negative of that change in energy.

但是，我们现在讨论的能量,是电子亲和能，因，此我们可以将电子亲和能,与任何反应联系起来,只要我们将反应写成这种得到电子的形式，我们说电子亲和能就等于,反应前后能量变化的负值。

麻省理工公开课 - 化学原理课程节选