See explanation below.
Work Step by Step
a.) 1 orbital since 1s is an "s" subshell b.) 5 orbitals since 4d is a "d" subshell c.) 3 orbitals since 3p is a "p" subshell d.) 9 orbitals in total: 1 from 3s, 3 from 3p, and 5 from 3d
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.