When n = 4 , l = 0 ≤ ℓ ≤ n − 1 that is
0,1,2,3
ml values = −ℓ ≤ mℓ ≤
â„“
                                                         Â
orbitals allowed
so if l = 0 , m
=0,                                     Â
1(s orbital)
When l =1, ml =
-1,0,+1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
3 (px,py,pz orbitals)
when l = 2 , ml =
-2,-1,0,+1,+2Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
5 (dxy,dyz,dzx,dx2,dx2-y2)
when l = 3 , ml =
-3,-2,-1,0,1,2,3Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
7 (f orbitals0
