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The radius of the orbit, the energy of the system and the velocity of the electron, I am just going to present you the solutions.
是轨道的半径，系统的能量,以及电子的速度，我接下来会给你们讲解其方程的解法。
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So this drops by the square, whereas, you saw how the orbit goes.
这也顺便解释了，你看到的轨道的情况。
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The subject of white folks is associationally swept into the orbit of talk.
话题中加入了白人。
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So, what he did was kind of impose a quantum mechanical model, not a full one, just the idea that those energy levels were quantized on to the classical picture of an atom that has a discreet orbit.
还不是完整的,只是这些能级，是量子化的概念，作用到原子有分立轨道的经典原子模型上,当他做了一些计算后,他得到有个半径,他算出来。
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Let's look first of all at the radius of the orbit.
首先是轨道半径。
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n So the velocity is given by this product of the quantum number n Planck constant 2 pi mass of the electron time the radius of the orbit, which itself is a function of n.
速度是量子数,普朗克常数2π乘以轨道半径的值,它自身也是n的函数。
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You see, the quantum condition, by putting quantization into the moangular mentum it is propagated through the entire system. Orbit dimensions are quantized.
你们看，量子条件，通过把,角动量量子化，它就能在这个系统中进行传播,同时轨道大小也被量子化。
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If de Broglie is correct, we could then model the electron in its orbit not moving as a particle, but let's model it as a wave.
如果德布罗意是对的，那么我们可以在电子轨道中建立电子模型,不是像粒子一样运动，而是像波一样运动。
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Let's imagine this is the electron in its orbit.
想象一下，电子在它的轨道中。
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And so, therefore, all other things being equal, the first orbit should be at a smaller distance.
所以，如果别的条件都相同的情况下，第一轨道的距离会更小。
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That is the electron in its lowest orbit, to the nucleus of atomic hydrogen.
那就是氢原子原子核外电子，最低轨道到情况。
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It is the value of the radius of the ground state electron orbit in atomic hydrogen.
它就代表氢原子基态电子,的轨道半径。
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It doesn't simply orbit the nucleus, but as it orbits it spins.
它并不只是简单地绕原子核旋转，而是同时进行公转和自旋。
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And this lowest orbit is termed the ground state.
这个最低轨道被称作基态。
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I am going to say if that electron is to stay in its orbit, that is to say it doesn't flee the atom, it doesn't collapse under the nucleus then the sum of the forces on the electron must be zero No net force. And so that will be the sum of a dynamic force plus an electrostatic.
如果电子会保持在它的轨道上运行,既不脱离原子的话，它就不会由于原子核对它的吸引力而被瓦解掉,电子所受的合力一定为零,由于没有合力,所以电子所受力为动态力和静电力的总和。
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