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  1. According to Rutherford's atomic model, the electrons inside an atom are

  2. A.

     Centralized

    B.

     Not Stationary

    C.

     Stationary

    D.

     None of these

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  3. Electrons carry a

  4. A.

     Positive Charge

    B.

     Negative Charge

    C.

     Variable Charge

    D.

     Neutral Charge

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  5. An atom with more neutrons than protons is called

  6. A.

     Compound

    B.

     Element

    C.

     Isotope

    D.

     None of the above

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  7. What part of the atom has a positive charge?

  8. A.

     Neutron

    B.

     Proton

    C.

     Electron

    D.

     All the above

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  9. Who was the first scientist to discover Electrons?

  10. A.

     Albert Einstein

    B.

     Isaac Newton

    C.

     J.C. Bose

    D.

     J.J Thompson

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  11. The wave like properties of electrons are useful in

  12. A.

     Magnifying objects

    B.

     Lasers

    C.

     Weather reports

    D.

     All of the above

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  13. Who indirectly determined the mass of the electron by measuring the charge of the electron?

  14. A.

     Thomson

    B.

     Millikan

    C.

     Rutherford

    D.

     Einstein

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  15. When an atom loses an electron it becomes

  16. A.

     Neutron

    B.

     Negative ion

    C.

     Positive ion

    D.

     None of the above

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  17. What is the size of Electron as comapared to Proton and Neutron?

  18. A.

     1/355

    B.

     1/1236

    C.

     1/1836

    D.

     1/1923

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  19. The force that binds the neutrons and protons in a nucleus is called as:

  20. A.

     Weak Nuclear Force

    B.

     Strong Nuclear Force

    C.

     Electromagnetic Force

    D.

     Gravitational Force

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