1.

The electrons identified by quantum numbers n and l:(P) n = 5, l = 1 (Q) n = 3, l = 0(R) n = 4, l = 2 (S) n = 2, l = 1can be placed in decreasing order of energy as :

Answer»

The electrons identified by quantum numbers n and l:

(P) n = 5, l = 1 (Q) n = 3, l = 0

(R) n = 4, l = 2 (S) n = 2, l = 1

can be placed in decreasing order of energy as :



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