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9th Class Science Atoms and Molecules Question Bank Atoms and Molecules

  • question_answer
    Which one of the following was not explained in Rutherford's nuclear model of atom?

    A) An atom consists of tiny positively charged nucleus surrounded by negatively charged electrons.

    B) Stability of an atom.

    C) Most of the mass of atom is concentrated in the nucleus.

    D) The number of electrons and protons are equal in an atom.

    E) None of these

    Correct Answer: B

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