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KCET2012ChemistryStructure of Atom

The correct set of four quantum numbers for the outermost electron of sodium (Z=11) is

Options

  1. A3,1,1, 1 2
  2. B3,2,1, 1 2
  3. C3,0,0, 1 2
  4. D3,1,0, 1 2

Correct answer

C. 3,0,0, 1 2

Step-by-step solution

₁₁ Na =1 ~s ², 2 ~s ², 2 p ⁶, 3 ~s ¹ For 3 s¹ , n =3, l =0, ~m =0, ~s = 1 2

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