Calculating M(L)

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Eliana Carney 3E
Posts: 62
Joined: Wed Sep 30, 2020 9:31 pm

Calculating M(L)

Postby Eliana Carney 3E » Fri Oct 30, 2020 8:59 pm

Hey guys! I'm a little confused about how exactly you calculate the possible values for M(L) given L. Just to make sure I'm understanding it correctly, the possible values for M(L) are the range of whole numbers between positive L and negative L? For example, if L=3, the possible values for M(L) are -3, -2, -1, 0, 1, 2, 3? Thanks in advance!

Megan Chan 3A
Posts: 64
Joined: Wed Sep 30, 2020 9:50 pm

Re: Calculating M(L)

Postby Megan Chan 3A » Fri Oct 30, 2020 9:11 pm

Yes! You have it right, M(L) ranges from L to negative L.

Lea Baskin Monk 1F
Posts: 66
Joined: Wed Sep 30, 2020 10:07 pm
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Re: Calculating M(L)

Postby Lea Baskin Monk 1F » Fri Oct 30, 2020 9:18 pm

Yes, you have it right. The values of M(L) are negative L through positive L. Each number corresponds to a different orientation of the shape described by the angular momentum quantum number. So for n=2, which is the d orbital, M(L) can equal -2,-1, 0, 1, 2. This makes sense as there are 5 different orientations of the d orbital along the x, y, and z-axis.

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