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

  • question_answer
    'Ca' has atomic number 20 and atomic weight 40. Which of the following statements is not correct about 'Ca' atom?

    A)  The number of electrons is same as the number of neutrons

    B)  The number of nucleons is double the number of neutrons

    C)  The number of protons is half the number of neutrons

    D)  The number of nucleons is double the atomic number

    Correct Answer: C

    Solution :

      Not Available


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