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Structure of th...

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  • Question 1
    1 / -0

    The approximate radius of polonium nucleus of mass number 210 is:

  • Question 2
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    Which of the following gave the idea of nucleus of the atom?

  • Question 3
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    The ratio of the radii of the atom to the nucleus is :

  • Question 4
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    Bohr's atomic model can explain the spectrum of:

  • Question 5
    1 / -0

    The particles present in the nucleus of an atom are :

  • Question 6
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    The nucleus of an atom contains

  • Question 7
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    Which statement about atom is incorrect?

  • Question 8
    1 / -0

    Most of the mass of an atom is concentrated in a small region of space called the ..............

  • Question 9
    1 / -0

    Atomic number (Z) = Number of ......... = Number of ..............(for neutral atom)

  • Question 10
    1 / -0

    ............... of an element are the atoms of same element having same atomic number but different mass number.

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