我们再做一个，再来看锂的。

Let's do one more. Let's do lithium.

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例如，我能观察锂的电离。

For example, I could look at the ionization of lithium.

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锂的开采正是一次考验。

Lithium is a test case.

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The electronic configuration, all it is is the shorthand notation for that one electron approximation for the Schrodinger equation for lithium.

电子构型就是，对于锂的薛定谔方程,的单电子近似的,简化形式。

麻省理工公开课 - 化学原理课程节选

if we're actually thinking about electron configuration and we look at lithium, sodium and potassium, these all have one valence electron.

让我们来想一想,锂，钠，钾的电子排布，它们都只有一个价电子。

麻省理工公开课 - 化学原理课程节选

This indicates that by combining two lithiums, the energy of the combined system is lower than the energies of the atomic systems.

结果显示，两个锂结合后，其结合后的能量,比原子体系的能量要低。

麻省理工公开课 - 固态化学导论课程节选