How many orbitals are there in the third shell (n=3)?

1 Answer
Nam D.
May 19, 2018

9 orbitals

Explanation:

The third electron shell has 3 subshells, which are 3s, 3p, and 3d.

An s subshell only has one orbital.

A p subshell has three orbitals.

A d subshell has five orbitals.

So, the total number of orbitals in the third electron shell is:

1+3+5=9

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