Question

the following quantum numbers are possible for how many orbitals n = 3, l = 2, m = +2
1.3
2.2
3.1
4.4

Answer 1

n=3

l=2 i.e. d orbial

m=2

m has values -l to +l i.e. 5values

d have 10 electrons

ans is 10/5=2