Question #04b31

1 Answer
Dr. Hayek
Oct 28, 2015

#Shell => Subshell => Orbital#

Explanation:

Shell is the energy level of an atom (#n=1, 2, 3, etc.#). Inside every shell there is one or more subshells (#s, p, d, f, etc.#). Inside every subshell there is one or more orbitals .

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The best way to explain this is using the quantum numbers:
enter image source here
where,
#n#: principal quantum number
#l#: Angular momentum quantum number

The #s# subshell contains 1 orbital.
The #p# subshell contains 3 orbitals.
The #d# subshell contains 5 orbitals.
The #f# subshell contains 7 orbitals.

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