1.

Which of the following sets of quantum num bers represents the least energy of an atom ?

Answer»

N = 3,1 = 0, m = 0, s = +1/2
n = 4,1 = 0, m = 0, s = +1/2
n = 3,1 = 2, m = 1, s = + 1/2
n = 3,1 = 1, m = 1, s = +1/2 

ANSWER :A


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