Question #138353

What is the max number of electrons that can have the following set of quantum numbers? N=2, l=1, ml=1

Expert's answer

First we are given a value for the principal quantum number "n":

n=2

This value of "n" can have the following values for the orbital angular momentum quantum number "l":

l=0,1,

These values of "l" can have the following values of the magnetic quantum number "ml":

l=0, ml=0

l=1, ml=−1

l=1, ml=0

l=1, ml=1

The highlighted set is the one given in this question, This corresponds to a single atomic orbital in the "2p" subshell. A single atomic orbital can only hold **two** electrons because the spin quantum number "ms" for an electron only has allowed values of +1/2 and -1/2.

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