Solution:
Given, n=5,ml=+2
For n=5, possible value of I=0,1,2,3,4
For l=0,m1=0
l=1,ml=−1,0,1
l=2,ml=−2,−1,0,1,2
l=3,m1=−3,−2,−1,0,1,2,3
l=4,ml=−4,−3,−2,−1,0,1,2,3,4
Possible value of ml for a given value of l
=0,±1,±2,±3...±1
So, number of orbitals having n=5 and ml=±2 are 3 .
© examsnet.com