valence

1. What if we capture all of the valence electrons?
如果我们捕获了所有价电子会怎样呢?

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2. We solve this problem by a quantity called the average valence electron energy.
我们通过一个叫做平均价电子能的量来解决这一问题。

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3. Now with this framework, I said that talking about these valence electrons might give us some insight into chemical reactivity.
现在在这个结构下,我说过讨论这些价电子可能会让我们对化学反应有更深的理解。

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4. We know that because the sulfur and the chlorine in the oxygen have different average valence electron energies, they'll have different electron affinities.
我们都知道,因为氧气中的硫和氯具有不同的平均价电子能,它们的电子亲和力也不同。

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5. Valence is a sleepy little town just south of Lyon.
瓦朗斯是里昂正南方一个寂静的小镇。

《柯林斯英汉双解大词典》

6. So we have seven valence electrons.
我们有七个价电子。

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7. And by now, I mean the valence electrons.
迄今为止,我指的是价电子。

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8. How many valence electrons do we have left?
我们还剩下多少个价电子?

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9. How many valence electrons are in chlorine?
氯有几个价电子?

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10. Chlorine has a high valence electron energy.
氯的价电子能很高。

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11. Then it says, count all the valence electrons.
然后它说,考虑所有的价电子。

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12. These have low average valence electron energies.
他们有较低的平均价电子能。

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13. Our next step is thinking about valence electrons.
我们下一步要考虑的是价电子。

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14. So, what if we capture all of the valence electrons.
但是如果我们捕获了所有价电子又怎样呢。

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15. It's got a very low average valence electron energy.
它的平均价电子能很低。

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16. Because it is not the valence shell. Forget about it.
因为它不是价层电子,所以忘记它吧。

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17. Again, we're just talking about the valence electrons.
同样的,我们只讨论价电子。

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18. And, this outermost shell is termed the valence shell.
这个最外层被称作价电子层。

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19. So this is our valence electron configuration for b 2.
这是B2的价电子构型。

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20. So let's think about methane using valence bond theory.
让我们用价电子成键理论来看一看甲烷。

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21. We actually need to think about those valence electrons.
我们需要考虑这些价电子。

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22. So we're talking about four valence electrons for carbon.
那么碳有四个价电子。

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23. How many electrons do we need to have full valence shells?
要把价层排满需要多少个电子?

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24. And he's stripped off all of the non-valence electrons.
他忽略了所有非价层电子。

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25. For our step two, what we need is number of valence electrons.
我们的第二步,需要知道价电子的个数。

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26. How many do we need to get full valence shells everywhere?
要得到全部是满壳层需要多少个?

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27. All right, well, oxygen has the highest valence electron energy.
好吧,氧具有最高价电子平均能。

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28. And, all he's done is leave the valence electrons associated.
他所做的全部是,考虑到了价电子的关系。

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29. So the idea behind valence bond theory is very easy to understand.
价电子成键理论,非常容易理解。

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30. In other words, if the average energy of all the valence electrons.
换句话说,就是所有价电子的平均能量。

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