Mogwanja says U.N.officials have urged Pakistani authorities to make sure that areas are stable and military operations are at an end before people are encouraged to return.

VOA: standard.2009.09.25

So, that also tells us that the n minus ion is less stable than the neutral atom itself.

而且，这还告诉我们,负一价的氮离子不如中性氮原子稳定。

麻省理工公开课 - 化学原理课程节选

We knew from Friday, when we talked about energy, that ground state was that n equals 1 value, that was the lowest energy, that was the most stable place for the electron.

我们上周五知道了，在讨论能量的时候，基态指，n等于1的态，它能量最低，是，最稳定的态。

麻省理工公开课 - 化学原理课程节选