determining the number of orbitals

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Christineg1G
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Joined: Fri Aug 09, 2019 12:15 am
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determining the number of orbitals

Postby Christineg1G » Mon Oct 21, 2019 4:24 pm

Is it possible to determine the number of orbitals in a shell by only being given the principle quantum number, n, or would you need the angular momentum quantum number as well?

Brian_Ho_2B
Posts: 221
Joined: Fri Aug 09, 2019 12:16 am

Re: determining the number of orbitals

Postby Brian_Ho_2B » Mon Oct 21, 2019 4:56 pm

Depending on how well you know the periodic table, you would only need to know the first number "n" in order to determine how many orbitals are in that shell number. For instance, n=1 has 1 orbital, n=2 has 4 orbitals, n=3 has 9 orbitals (s, p, d), and n=4 has 16 orbitals (s, p, d, f). If you know how to number the subshells, than you can figure out how many orbitals there are per shell number. Note that these are the maximum amounts of orbitals in each shell.


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