Section 1D #25

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Section 1D #25

Postby IsabelMurillo3K » Sun Nov 15, 2020 9:41 pm

Hey guys!
I came across this problem in section 1D:
Which of the following subshells cannot exist in an atom: (a) 2d; (b) 4d; (c) 4g; (d) 6f?
I was wondering if anyone could explain the conditions needed for a subshell to exist/not exist? Thanks in advance!

Lucy Wang 2J
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Re: Section 1D #25

Postby Lucy Wang 2J » Sun Nov 15, 2020 9:44 pm

The subshells possible for a certain shell is l=0,1,...n-1.
so for n=2, l=0, 1. However since for l=2 for d, the subshell 2d cannot exist.
Hope this helps!

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Re: Section 1D #25

Postby tholz11 » Thu Nov 26, 2020 9:28 pm

the n=2 level would need to have 5 orbitals for 2d to exist, which is impossible as the only l values possible are 0 and 1. Therefore the largest ml range is -1 to +1 and the largest possible number of subshells at n=2 is 3. Hope that helps!

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