Galicia PAU Chemistry Química 2o Bachillerato CIUG Practice Questions - Galicia PAU Chemistry Química 2o Bachillerato CIUG 2026 (Probas D'Acceso á Universidade) Exam

Which set of quantum numbers (n, l, ml, ms) is allowed for a valence electron in a ground-state sulfur atom (Z = 16)?

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

Correct Answer:

n = 3, l = 1, ml = -1, ms = -1/2

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