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# What are the possible values for the quantum numbers $n, \ell$ and $m_{\ell} ?$

## $n=1,2,3, \ldots$ $\ell=0,1,2, \ldots(n-1) ; m_{\ell}=-\ell, \ldots,-2,-1,0,1,2, \ldots,+\ell$

#### Topics

Periodic Table properties

### Discussion

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### Video Transcript

Okay, We are looking at quantum numbers and L and in Seville. So in relates to the orbital size and it can't be zero, but it could be one, 2345 and so on. El is a set of members that can be from zero and minus one. And enseval is a set of numbers that can be from negative l to positive l So quick example is it? We're told that in its to and you want to find the other two numbers l could either be 01 and M Sevele would have to either be negative one zero or was one, and that's it.

University of Texas at Austin

#### Topics

Periodic Table properties