diatomic

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It is a diatomic molecule.
这是一个双原子分子。
Diatomic mean it's di atomic, it's made up of two atoms, and homonuclear means that those two are the same atoms.
双原子意味着它是两个原子，它由两个原子组成，同核意味着这两个原子时相同的原子。
So, I will point out, in terms of MO theory, because it rigorously does take into account quantum mechanics, it starts to become complicated once we go beyond diatomic molecules.
我要指出的是，对于MO理论，以为它严格的遵守量子力学，所以一旦超过双原子分子,就变得十分复杂了。

Diatomic mean it's di atomic, it's made up of two atoms, and homonuclear means that those two are the same atoms.
双原子意味着它是两个原子，它由两个原子组成，同核意味着这两个原子时相同的原子。
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And, likewise, if we look at fluorine in its diatomic molecule, it is 160 kilojoules per mole.
一样的，如果我们观察二价的氟，它是每摩尔160焦。
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So where we had left off with was we'd fully discussed up to the point of considering homonuclear diatomic molecules, so molecules that both have the same nucleus.
我们上次,讲到了我们,已经讨论过同核双原子分子，也就是有相同原子和的分子。
麻省理工公开课 - 化学原理课程节选