OK, he also, let me see, he also, lastly, to close us out, he also developed an analytical expression for the energy of that covalent bond, which is really what we want.

好的，他也，让我看看，他也，最终接近我们的，他也发明了一种分析方式,对于共价键能量来说，这是我们真正想要的。

麻省理工公开课 - 固态化学导论课程节选

So, this should be pretty straight forward, 100% let's see if we can get close to a 100% on this one, which is how many radial nodes does a 4 p orbital have?

很简单,让我们来看看这题，我们是不是可以接近%,对于一个4p轨道，它有多少个节点？,给你们10秒钟？

麻省理工公开课 - 化学原理课程节选