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We have elements that are totally inert, and we have examples of this, the noble gases, dominantly inert.
因为那些元素都是惰性的，而且我们可以举出些例子，比如惰性气体，完全是惰性的。
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Versus looking at, for example, helium or neon or argon, these are all inert gases, inert meaning essentially do not react, those were grouped together in the periodic table.
相反，他发现氦，氖，氩，都是惰性气体，惰性的意思是基本不参与化学反应，因此把它们放在周期表中的同一类里。
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I know neon has a higher yet electronegativity, but normally it is inert.
我知道氖有个更高的电子力，但在常态下它是惰性气体。
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Each one has an inert electronic structure.
都是惰性气体结构。
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What do we know about the noble gases?
那我们对惰性气体有哪些了解呢？
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We can go all the way down -- magnesium aluminum, all the way to this noble gas, 3s23p6 argon, which would be n e and then 3 s 2, 3 p 6.
我们可以继续，镁，铝,一直到惰性气体，氩它是Ne然后。
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So, no matter whether or not you write out the full form here, or the noble gas configuration where you write ne first or whatever the 3s1 corresponding noble gas is to the core electrons, we always write out the valence electrons here.
所以无论你是否,写出了完整形式，或者对应于价电子的惰性气体,再一次,我们可以写Ne然后，我们总是可以在这里写出价电子。
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And, although you think that nitrogen, I mean, it's an inert gas.
尽管你认为那是氮气，我的意思是，它是一种惰性气体。
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And the answer is yes, we know something about the noble gases.
答案是肯定的，我们对惰性气体有所了解。
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