Match List I with List II : List I (Quantum Numbers) List II...

The principal quantum number $n$ represents the shell, and the azimuthal quantum number $l$ represents the subshell.

For $l = 0$, the subshell is $s$.
For $l = 1$, the subshell is $p$.
For $l = 2$, the subshell is $d$.
For $l = 3$, the subshell is $f$.

A. $n = 2$, $l = 1$ corresponds to the $2p$ orbital. (A $\rightarrow$ II)
B. $n = 4$, $l = 0$ corresponds to the $4s$ orbital. (B $\rightarrow$ III)
C. $n = 5$, $l = 3$ corresponds to the $5f$ orbital. (C $\rightarrow$ IV)
D. $n = 3$, $l = 2$ corresponds to the $3d$ orbital. (D $\rightarrow$ I)

The correct matching is A-II, B-III, C-IV, D-I.

Answer: A-II, B-III, C-IV, D-I