In fact, if any electron comes in their midst, they'll capture it because the binding energy is so high.

事实上，如果电子从中间进来，它们会捕获它，因为束缚能很大。

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So if we can figure out the binding energy, we can also figure out how much energy we have to put into our atom in order to a eject or ionize an electron.

所以如果我们可以计算出结合能，我们也可以计算出,我们需要注入多少能量到原子中,去逐出或电离一个电子。

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What is the binding energy of the ground state electron in hydrogen?

氢在基态的情况下，它的电子结合能是多少？

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