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Structure of th...

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  • Question 1
    1 / -0

    The atomic number of potassium is $$19$$. Hence the number of electrons in the $$N$$- shell will be

  • Question 2
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    The size of the nucleus is approximately :

  • Question 3
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    Which of the following is one of the postulates of Rutherford's theory?

  • Question 4
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    Rutherford's scattering experiment led to the conclusion that :

  • Question 5
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    For an element with atomic number 19, the 19th electron will occupy:

  • Question 6
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    The particle used by Rutherford in $$\alpha$$-ray scattering experiment was__________.

  • Question 7
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    The nucleus of the hydrogen atom is called as:

  • Question 8
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    The size of the nucleus is approximately:

  • Question 9
    1 / -0

    Which of the following was not proposed by Thomson?

  • Question 10
    1 / -0

    Oxygen atom has an atomic mass of 16u and eight neutrons in its nucleus. What is its atomic number?

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