Question

15. Which of the following sets of quantum numbers are allowed

a) n=1, 1 = 0 and m=0

c) n=1,1=0 and m = +1

b) n=2, 1 = 2 and m =+ 1

d) n = 2, 1= 2 and m = 0​

Answer 1

I'm not exactly sure but its 3 am here so it might be wrong but ima go with d