2. Questions Bank
  3. 9th Class
  4. Science
  5. Structure of the Atom

9th Class Science Structure of the Atom Question Bank Atomic Structure Conceptive Subjective Problems

  • question_answer
    The electronic configuration 2, 8, 8, 2 represents the element (a) Argon                             (b) Potassium (c) Calcium                          (d) Chlorine

    Answer:

    From the electronic configuration, it is clear that the element has 20 electrons is calcium.


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