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KVPY2017ChemistryStructure of Atom

The maximum number of electrons that can be filled in the shell with the principal quantum number n=3 is

Options

  1. A18
  2. B9
  3. C8
  4. D2

Correct answer

A. 18

Step-by-step solution

3 ~s , 3 p & 3 ~d contains total 18 electrons.

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