Answer to Question #150915 in General Chemistry for Lyna Moinifar

Question

Which set of quantum numbers is not allowed?

Key Concept:Allowed quantum numbers must follow the following rules: n = 0,1,2, ...; l = 0 to n −1; m l equals integers in the range of −l to +l; m s = ±½
n = 7, l = 5, ml = 0, ms = -1/2
n = 6, l = 4, ml = -3, ms = +1/2
n = 6, l = 5, ml = -3, ms = +1/2
n = 5, l = 3, ml = 2, ms = +1

Answer 1

The last set (n = 5, l = 3, ml = 2, ms = +1) because the value of Ms can only be either +½ or -½