Question

The electrons identified by quantum numbers n and l : (a) n = 4, l = 1 (b) n = 4, l = 0 (c) n = 3, l = 2 (d) n = 3 , l = 1 can be placed in order of increasing energy as :

Answer 1

Quantum Numbers:

                                   (d) < (b) < (c) < (a)

Answer 2

Answer:b

Explanation:by (n+l) Rule