Which set of quantum numbers is not possible?
a. N = 5, l =3 , ml = 0 , ms = -1/2
b. N = 1, l = 0, ml = 0 , ms = 1/2
c. N = 3 ,l = 2, ml = 1, ms = 1/2
d. N = 4, l = 3, ml = -3, ms = 1/2
e. N = 5, l = 2, ml = 0, ms = -1/2
They all look possible to me and there is no none of the above...