students most of the students feel difficulty in chemistry. becaz chemistry is a subject which feels uncomfortable for students of science. but its not if take minor interest, u can do it.

now come to the point. to understand quantum numbers u have to recall deffects in bohr's model.
there are 4 deffects in this model. to solve each of the defect a quantum number is introduced.
for this purpose i will explain it in the next thread.

regards

majid ali kazmi