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KVPY2020ChemistryStructure of Atom

The correct set of quantum numbers for the unpaired electron of Cu atom is :

Options

  1. An = 3 , l = 2 ,   m = - 2 ,   s = + 1 / 2
  2. Bn = 3 , l = 2 ,   m = + 2 ,   s = - 1 / 2
  3. Cn = 4 , l = 0 ,   m = 0 ,   s = + 1 / 2
  4. Dn = 4 , l = 1 ,   m = + 1 ,   s = + 1 / 2

Correct answer

C. n = 4 , l = 0 ,   m = 0 ,   s = + 1 / 2

Step-by-step solution

Cu Ar 3 d 10 4 s 1 The set of quantum numbers for the unpaired e - of Cu atom is. n = 4 , l = 0 , m = 0 , s = + 1 2

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