MCQ practice · SSC Chemistry Board questions · Chapter 3: Structure of Matter
Which sublevel is possible for n = 4 and l = 2?
Think it through first, then pick an option.
- a 4s
- b 4p
- c 4d
- d 4f
Answer and explanation
Correct answer: c 4d
n = 4 together with l = 2 (d) gives 4d.
Why the other options are wrong
- a 4s: 4s has l = 0; l = 2 means d, so 4d.
- b 4p: 4p has l = 1; for l = 2 it is 4d.
- d 4f: 4f has l = 3; l = 2 is d, so 4d.
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