Practice question

MCQ

Question

Which set of quantum numbers is not possible for an electron?

Options

Choose one · Correct answer highlighted

n=2, l=1, mₗ=0, mₛ=+1/2 n=3, l=0, mₗ=0, mₛ=-1/2 n=1, l=1, mₗ=0, mₛ=+1/2 Correct n=4, l=2, mₗ=-2, mₛ=-1/2

Explanation

For n=1, l can only be 0. l=1 is invalid.

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