有多少个轨道是，含有这两个量子数的？
How many different orbitals can you have that have those two quantum Numbers in them?
让我们来看下一道题目,你们来告诉我,有多少个可能的轨道,含有这些量子数呢？
So let's go to a second clicker question here and try one more. So why don't you tell me how many possible orbitals you can have in a single atom that have the following two quantum numbers?
所以如果我们有,磁量子数m等于正负1,我们讨论的就是px或者py轨道。
So we can have, if we have the final quantum number m equal plus 1 or minus 1, we're dealing with a p x or a p y orbital.
要知道，我们需要三个量子数，才能完全描述一个轨道。
Remember, we need those three quantum Numbers to completely describe the orbital.
我们需要，3个量子数的原因，是因为我们描述的是一个，三维的轨道，所以我们需要，3个不同的量子数，来描述它。
The reason there are three quantum Numbers is we're describing an orbital in three dimensions, so it makes sense that we would need to describe in terms of three different quantum Numbers.
希望你们在做习题的时候注意到，有时候问的是拥有，一套量子数的轨道数，有时候问的是拥有一套，量子数的电子数。
So you'll notice in your problem-set, sometimes you're asked for a number of orbitals with a set of quantum Numbers, sometimes you're asked for a number of electrons for a set of quantum Numbers.
我们方程是n减去1减去，主量子数是，4，1是1，--p轨道的l是多少？,学生
l So, if we're talking about a 4 p orbital, and our equation is n minus 1 minus l, the principle quantum number is 1 4, 1 is 1 -- what is l for a p orbital?
我们方程是n减去1减去，主量子数是，4，1是1，--p轨道的l是多少？,学生
l So, if we're talking about a 4 p orbital, and our equation is n minus 1 minus l, the principle quantum number is 1 4, 1 is 1 -- what is l for a p orbital?
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