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
    An element has 2 electrons in the M shell. What is the atomic number of the element?

    Answer:

    Electronic configuration of the given element 2, 8, 2 Total number of electrons = Total no. of protons = 12 \[\therefore \]The element is Magnesium.


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