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Structure of th...

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  • Question 1
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    Which of the following elementary particles is not present in an atom?

  • Question 2
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    Rutherford explained the experimental observation by suggesting that the nucleus was the central part of the atom, where the entire

  • Question 3
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    In Rutherford’s experiment, the alpha particles that pass by the nucleus get deflected because

  • Question 4
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    Use the following information to answer the next question.

    Ernest Rutherford explained his experimental observations by suggesting that the entire mass and the positive charge of an atom is confined to a small volume at its centre. This central part of the atom is called the nucleus. Protons, which are positively charged, are located within the nucleus.

    The nucleus is surrounded by

  • Question 5
    1 / -0

    Use the following information to answer the next question.

    The electrons and the protons were the only two known sub-atomic particles for several years. In 1932, James Chadwick discovered a new sub-atomic particle with a mass little more than that of a proton but with no net charge.

    The sub-atomic particle discovered by Chadwick is called

  • Question 6
    1 / -0

    The fundamental particles of an atom are

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