Question

which
of the following sets of quantum number
B not allowed n=3​

Answer 1

Answer:

A) l value never be 3 for the n value 3. Because the 3rd shell is not having d orbital (l value o,1,2,3 indicates s,p,d & f orbital). So its wrong.

B) The electron belongs to 3d  

x

1

​  

.

C) m value never be +2 for the l value  1 . Because m Value must be +l to −l.

D) The electron belongs to 3s  

1

Explanation: