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

9th Class Science Structure of the Atom Question Bank Atomic Structure IIT JEE Objective Problems

  • question_answer
    The mass of atom is constituted mainly by

    A)  neutrons and neutrions

    B)  neutrons and electrons

    C)  neutrons and protons

    D)  protons and electrons

    Correct Answer: C

    Solution :

      Not Available


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