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Structure of At...

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  • Question 1
    4 / -1

    The velocity of electron in first orbit of H-atom as compared to the velocity of light is

  • Question 2
    4 / -1

    The spectrum of He is expected to be similar to that of

  • Question 3
    4 / -1

    2p – orbitals have

  • Question 4
    4 / -1

    Which of the following is not correct for electronic distribution in the ground state?

  • Question 5
    4 / -1

    The radius of atomic nucleus is of the order of

  • Question 6
    4 / -1

    Which of the following are isoelectronic with one another?

  • Question 7
    4 / -1

    Different lines in Lyman series of hydrogen spectrum lie in

  • Question 8
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    The symbol of the element whose atoms have the outer most electronic configuration 2s2, 2p3 is

  • Question 9
    4 / -1

    The electron level which allows the hydrogen to absorb photons but not to emit is

  • Question 10
    4 / -1

    Maximum number of electrons present in ‘N’ shell is

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