Chloride minus. Isoelectronic with argon.
氯离子，与氩的电子数相同。
So, that's the idea of isoelectronic ions.
好，这就是等电子离子的概念。
Magnesium 2 plus, it is also isoelectronic with neon.
镁二正离子，同样也与氖等电子。
So, let's do a clicker question on isoelectronic atoms.
那么，让我们来做一个关于等电子原子的选择题吧。
This includes atomic radius and the idea of isoelectronic atoms.
包括原子半径，以及等电子原子的概念。
Then also, nitrogen, 3 minus -- these are all going to be isoelectronic with neon.
然后还有，氮，负三价-,这些都是与氖原子等电子的。
And then, if we have time at the end, we'll introduce one last topic, which is isoelectronic atoms and ions.
最后，如果有时间的话，我们将再介绍最后一个主题：，等电子原子与离子。
Germanium window with low absorption will be obtained through controlling donor concentration and doping isoelectronic im purity.
控制施主浓度和掺杂等电子杂质，可以获得低吸收锗窗。
These are all isoelectronic, they all have the same electron configuration. And we can also think about going back to atomic size for a second.
这些都是等电子的，它们都有相同的电子排布，而,我们还可以再回想一下原子尺寸的概念。
These are all isoelectronic, they all have the same electron configuration. And we can also think about going back to atomic size for a second.
这些都是等电子的，它们都有相同的电子排布，而，我们还可以再回想一下原子尺寸的概念。
So whether we finish it today, or more likely when we finish it up on Friday, once we get passed isoelectronic atoms, that's it, that's all you need to study for this first exam.
因此，我们也许今天讲完，或者更有可能周五讲完，无论如何，就到我们讲完等电子原子为止，这是你们第一次考试所需要准备的全部内容。
So, selenium 2 minus is what's going to be isoelectronic, because if you add two electrons to selenium, you'll get the same electron configuration that you have for krypton here.
负二价的硒离子将是等电子的，因为如果你给硒原子加上两个电子，你会得到,和氪原子相同的电子排布。
So, we can say that -- if we have neon here and we want to think about what's isoelectronic, -- f minus would be isoelectronic. We also have oxygen -- what would the charge on oxygen be?
那么，我们可以说--如果我们这里有氖原子,而我们想知道与它等电子的是什么，负一价的氟离子就是与它等电子的，我们还有氧-,氧应该是几价的？
So, we can say that -- if we have neon here and we want to think about what's isoelectronic, -- f minus would be isoelectronic. We also have oxygen -- what would the charge on oxygen be?
那么，我们可以说--如果我们这里有氖原子,而我们想知道与它等电子的是什么，负一价的氟离子就是与它等电子的，我们还有氧-,氧应该是几价的？
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