Which of the following set of quantum numbers is correct for valence electron of potassium?
- An = 4, l = 0, m = 0, s = –1/2
- Bn = 3, l = 0, m = 0, s = –1/2
- Cn = 4, l = 1, m = 0, s = –1/2
- Dn = 3, l = 1, m = –1, s = –1/2
✓ Correct answer: A
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