Which of the following is not permissible arrangement of electrons in an atom?

Which Of The Following Is Not Permissible Arrangement Of Electrons Chemistry QuestionWhich Of The Following Is Not Permissible Arrangement Of Electrons Chemistry Question

Which of the following is not permissible arrangement of electrons in an atom?

Options

(a) n = 5, l = 3, m = 0, s = +1/2
(b) n = 3, l= 2, m= –3, s = – 1/2
(c) n = 3, l= 2, m= –2, s = – 1/2
(d) n = 4, l = 0, m = 0, s = – 1/2

Correct Answer:

n = 3, l= 2, m= –3, s = – 1/2

Explanation:

m=2l+1, thus for l=2, m=5, hence values of m will be -2,-1,0,+1,+2. Therefore for l=2, m cannot have the value of -3

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