Question

The correct set of quantum numbers for 3d subshell is ________.

• A. $n=3$, $l=2$
• B. $n=3$, $l=1$
• C. $n=2$, $l=3$
• D. $n=3$, $l=3$

Hint:

The subshell letter corresponds to $l$: s(0), p(1), d(2), f(3).

Answer 1

The Correct Option is A

Step 1: Concept
Quantum numbers $n$ (principal) and $l$ (azimuthal) define the shell and subshell.
Step 2: Analysis
For the 3d subshell, the principal quantum number $n = 3$. The azimuthal quantum number $l$ values are: $s=0, p=1, d=2, f=3$.
Step 3: Conclusion
For a d subshell, $l = 2$. Thus, the set is $n=3$ and $l=2$.
Final Answer:(A)