Hi 

Asked by jain.pradeep | 2nd May, 2019, 11:52: PM

Expert Answer:

According to quantum mechanics-
(1) It moves in definite orbit in which angular momentum is in multiple of h\2∏ around the nucleus.
(2) It is associated with definite energy levels  -13.6ev, -3.40ev,-1.51ev,-0.85ev.......respectively.
(3)positio of electron is fixed with reference to nucleus, it revolves in a fixed path.

Answered by Ravi | 3rd May, 2019, 10:49: AM