There might yet be a lower energy state we don't see.

可能还有我们看不到的更低的能。

This happens because the atoms are falling into lower and lower energy states as they cool down.

这是因为原子在冷却进入越来越低的能。

So the first electron wants to go into the lowest energy state.

所以第电子想要进入最低能。

And then the first two, or the electrons in the lowest energy state, will be 1s2.

然后前两，或处于最低能的电子，将是 1s2。

And two electrons can fit in that first energy state, or that first sub-orbital, or that first shell.

两电子可以适合第能，或者第子轨道，或者第壳层。

And that model is actually useful, at least it's useful in my brain, to conceptualize the idea of energy states.

该模型实际上很有用，至少在我的大脑中有用，可以概念化能的概念。

They're at their lowest energy state when they're lining up together, positive to negative, into a kind of liquid crystal.

当它们排列在， 它们处于最低能，从正到负，形成种液晶。

And it might stay there or it might just want to go back to its lower energy state.

它可能会留在那里，或者可能只想回到较低的能。

So you might say, oh, the lowest energy state is this magenta inner sphere that I just drew.

所以你可能会说，哦，最低能是我刚刚画的这洋红色内球。

And so it will go to the next energy state.

因此它将进入下能。

So I have to put the third cube at the next highest energy state.

所以我必须将第三立方体置于下最高能。

Among other applications, it allows the structure and properties of individual atoms to be altered via the manipulation of energy states within electrons.

在其他应用中，它允许通过操纵电子内的能来改变单原子的结构和性质。

Well, if a molecule is going to be at its lowest energy state by forming a double bond, it has a nice simple solution.

好吧， 如果分子要通过形成双键处于最低能，它有很好的简单解决方案。

And let's say I could put the second cube at a low energy state here.

假设我可以在这里将第二立方体置于低能。

The opposite is true as well; electrons can be in a higher energy state, up on a higher step, and then give off energy when they jump down.

反之亦然；电子可以处于更高的能，在更高的台阶上，然后在它们跳下来释放能。

Or in the case of electrons, when they get further away from a high energy state, the coulomb force is weaker, right?

或者就电子而言，当它们远离高能， 库仑力会变弱， 对吗？

So when it goes back to its lower energy state, it would emit the photon back, and that's actually why you see some things sometimes glow.

所以当它回到较低的能，它会发射回光子， 这就是为什么你有会看到些东西发光的原因。

Just like a ball at the top of a hill, the molecules always move towards a lower energy state if they can, and that's just what they'll do.

就像山顶上的球样，如果可以的话， 分子总是向较低的能移动， 而这正是它们会做的。

And then we, in the last video, we said, OK, the electrons fill up the orbitals from lowest energy state to high energy state.

然后我们在上视频中说，好吧，电子从最低能到高能填满了轨道。

Instead, they're stuck in a loosely bound high-energy state and are dying to move to a more stable lower energy state, which means releasing a lot of pent-up energy in the process.

相反，它们处于种松散约束的高能，并且极其容易向更稳定的低能转变，这就意味着在这过程中它们会释放大封存的能。