Question

For principle quantum number $n=4$, the total number of orbitals having $l=3$ is

• A. 3
• B. 7
• C. 5
• D. 9

Answer 1

Answer: (B)

For $n=4,l=3$ ( $f$-subshell), number of values of $m=2l+1=7$ values. $\Rightarrow$ number of orbitals in $f$-subshell is $7.$