What Are the Principal and Angular Momentum Quantum Numbers for a 4f

Multiple Choice

What are the principal and angular momentum quantum numbers for a 4f orbital?

A) n = 4, $\ell$ = 2
B) n = 4, $\ell$ = 3
C) n = 4, $\ell$ = 4
D) n = 3, $\ell$ = 4
E) n = 4, $\ell$ = 1