Electron affinity, however, can be either negative or it can be positive.

但是，电子亲和能既可以是负的，也可以是正的。

youdao

But it didn't matter under those conditions because an electron could then never jump into one of the states of negative energy.

但它在那些情况下并不成为问题，因为一个电子永远不可能跃迁到任何一个负能态之中。

youdao

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。

youdao

So do you think noble gases would have a high positive electron affinity, a low positive, or negative electron affinity?

那么，你认为稀有气体的电子亲和能,应该是一个高的正值，一个低的正值，还是一个负值？

麻省理工公开课 - 化学原理课程节选

- 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

The negative ions, these are electron-rich.

二负离子，它们有富裕的电子。

麻省理工公开课 - 固态化学导论课程节选

With that exception, all electric charges were expected to be exact multiples of an electron's negative one, or its positive equivalent.

ECONOMIST: The 1998 Nobel prizes