Same sort of subtraction problem, what do we have for the ionization energy of the 2 s electron?
进行类似的减法运算，得到的，2,s，电子的电离能应该是多大呢？
So then, I could say that the average valence electron energy for oxygen would then be, I've got two s electrons.
所以，我可以说，氧的平均价电子能，就是，以我得到的两个s轨道的电子来算。
So let's think about the energy required now to remove a 2 s electron, let's say we're removing it from boron plus 1 versus neutral boron.
那么让我们来想一想，拿走一个，2,s，电子所消耗的能量，假设一个是从正一价硼离子中拿走1，另一个是从中性硼原子中拿走。
So, why don't you take a look at this and tell me which are possible for a 2 s electron in a lithium atom where z 3 is going to be equal to three?
你们为什么不看一下这个然后告诉我对,于一个锂原子中的2s电子哪些是可能,的？它的有效电荷量,可能等于？
A laser pulse can modify the electron s state so that it has the density distribution shown in green.
一束激光脉冲可以改变电子的状态，使得其有了图中绿色显示的密度分布。
There’s a radially symmetric blob, and a double-lobed blob with a node in the middle – just like the patterns of electron density that the s and p atomic orbitals give rise to.
右图中的球是围绕碳原子的电子云的图像。 它们分别是径向对称的球和中间有节点的双扁球形状，就像s和p原子轨道给出的电子密度图。
S — we don't have to hybridize it, it already has only one unpaired electron in a 1 s orbital.
s -我们不用杂化它，它已经有而且仅有一个未配对电子在s轨道里。
The same thing when you're going from filling in the 2 s to putting that first electron into the 2 p.
当你填满，2，s，后再往，2，p，中,放第一个电子的时候就会发生这种问题。
So, for example, if we needed to figure out the electron configuration for titanium, 4s2 it would just be argon then 4 s 2, 3d2 and then we would fill in the 3 d 2.
所以举个例子,如果我们需要解出钛的电子构型，它会是Ar然后，然后我们填充。
So, our first orbital that an electron 1 s must be coming from is the 1 s.
所以，我们的第一个肯定有电子，被打出的轨道是。
In both cases we're taking an electron out of the 2 s orbital.
在这两种情况下，我们都拿走了一个，2s，电子。
It makes a lot of sense when we look at it energetically, because if we think about a 1 s core electron, that's going to be held really, really tightly to the nucleus.
从能量的观点来看这是非常合理的，因为如果我们考虑一下，1,s，芯电子，它会被原子核束缚得非常非常紧。
We then have the 1 s 2 electron, and what is our third electron going to be?
然后是1s电子，那么第三个电子会是什么呢？是的？
So for example, if you look at the 1 s orbital here, you can see that actually it is lower in the case of the multi-electron atom than it is for the hydrogen atom.
所以举例来说，如果你看到这里的1s轨道，你可以看到实际上，多电子原子情况的。
So, the first again is the 1 s 1 electron.
所以首先又是1s电子。
So if we write the electron configuration you see that this is the electron configuration here, 1s22s22p 1 s 2, 2 s 2, 2 p 6, 3s1 and now we're going into that third shell 3 s 1.
现在我们来到第三层,你们会看到3s1价电子之间的区别，电子构型是，现在我们来到第三层。
For example, for the 2 s, again what you see is that the multi-electron atom, its 2 s orbital is lower in energy than it is for the hydrogen.
举例来说对于2s轨道，在多电子原子，中可以看到，它的2s轨道的能量低于氢原子的。
According to the distribution of potential, electron and hole in the BNRT at different stages, the mechanism inducing S-type negative resistance characteristics is explained.
根据BNRT不同工作状态下的内部电势、电子浓度和空穴浓度分布，解释了其S型负阻特性的产生机理。
Experimental results show that CP can effectively activate such FEC′s for electron emission.
实验结果表明，CP能有效激活长时间存放于恶劣环境的FEC的电子发射；
A quantized elliptical orbit of electron in hydrogen_like atom is concisely derived from Binet equation with the aid of Bohr_Sommerfeld s quantized condition.
从比耐公式出发，结合玻尔———索末菲量子化条件，对类氢原子电子的量子化椭圆轨道，给出了一个简化的推导，并在此基础上，对轨道的稳定性进行进一步的讨论。
Two troubles in the operation of S-520 scan electron microscope are analyzed and the related circuits are described. The curing methods are explained in detail.
介绍了S-520型扫描电镜实际操作中出现的两种故障现象。对相关电路进行了简要分析。详细说明了故障的排除方法。
The ferrite magnetic material is the key basic material of modern electron technology, and its application attracts more and more people 's interests.
铁氧体磁性材料是现代电子技术中关键基础材料，它的应用越来越受到人们的重视。
Applying the technology of CPLD is an important method to achieve electron system 's integrations.
应用CPLD技术，已经成为当今实现电子系统集成化的重要手段。
And the theoretically exponential dependence of electron photo-excitation coefficient s of the Fe center on the wavelength in the visible is obtained.
利用带传输模型，给出了理论上光激发系数S对波长的指数依赖关系。
The article introduces the work principle and structure of digital subtraction angiography machine-electron subsystem and points out the important problems of s…
详细介绍了其机电分系统的工作原理和构成，并指出研制中需要重点考虑的安全可靠性问题。
The article introduces the work principle and structure of digital subtraction angiography machine-electron subsystem and points out the important problems of s…
详细介绍了其机电分系统的工作原理和构成，并指出研制中需要重点考虑的安全可靠性问题。
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