So why don't you tell me what the formal charge should be on the sulfur atom of thionyl chloride?

那么请大家来告诉我亚硫酰氯中,的硫原子应该有多少形式电荷？

麻省理工公开课 - 化学原理课程节选

So hopefully, it was a time issue in terms of looking at the periodic table, because let's have you tell me what are we looking for here?

希望刚才大家出问题的原因,是因为看周期表有时间限制，请大家告诉我,我们在这里找什么？

麻省理工公开课 - 化学原理课程节选

I'll give you four food companies, and tell me which one you think is the world's largest.

我将列出四家食品公司,请大家告诉我你认为,哪一家公司是世界最大的食品公司

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, why don't you go ahead and tell me, keeping that in mind, which atom in terms of h c or n would you expect to be in the center of hydrogen cyanide?

那么，请大家来告诉我，并且记住它，你认为氢，碳和氮中哪个原子,应该在氰化氢的中间呢？

麻省理工公开课 - 化学原理课程节选

I left out the noble gases here because they do something a little bit special, and actually, I'm going to give you one last clicker question today to see if you can tell me what you think noble gases do.

我并没有把稀有气体算在里面,因为它们的电子亲和能有点特别，实际上，我将会把这作为今天的,最后一个选择题，来请大家告诉我,你们觉得稀有气体电子亲和能应该是怎样的。

麻省理工公开课 - 化学原理课程节选

So let's do a quick clicker question, and you tell me how many valence electrons does fluorine have? Remember, valence electrons are different from core, they're only the outer-most electrons in the outer-most shell.

那么让我们来做一个小选择题，请大家来告诉我,氟有多少个价电子，要记得，价电子与芯电子不同，它们是在最外壳层的最靠外面的电子。

麻省理工公开课 - 化学原理课程节选