我们在讨论这一个反应，气态的氯原子加上气态的钠原子。

We talked about this reaction here, where we had chloride ion in the gas phase plus sodium ion in the gas phase.

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不用溶液让我们做一个气态的反应。

Instead of a solution, let's do a gas phase reaction.

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也就是我们，有一些气态的组分。

So we're down somewhere in the gas phase with some composition.

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We started with gaseous sodium to make gaseous sodium ion and gaseous atomic chlorine to make gaseous chloride ion through electron transfer.

我们从气态的钠开始,得到气态的钠离子,从气态的氯原子,通过电子转移得到氯离子。

麻省理工公开课 - 固态化学导论课程节选

And then I am going to take sodium gas and I am going to make this into sodium gas plus electron.

接下来，将气态的钠,转化为,带正电的气态钠。

麻省理工公开课 - 固态化学导论课程节选

Because here what we have is some atom that we're studying, in the case, it's going to be a gas, and we hit it with a photon that has some incident energy.

因为这里我们要研究的是一些原子,在这种情况下，一般是气态的，然后我们令一个,具有一定初始能量的光子打上去。

麻省理工公开课 - 化学原理课程节选