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9th Class Science Structure of the Atom Question Bank 9th CBSE Science Structure of the Atom

  • question_answer
      Write the electronic configuration of a positively charged sodium ion . Atomic number of sodium is 11.

    Answer:

                      Number of electrons in Na atom = Atomic number =11 Number of electrons in Na+ ion = 11-1 = 10 Electronic distribution in Na+ ion: K = 2, L = 8


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