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Structure of At...

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  • Question 1
    4 / -1

    For a sub – shell with azimuthal quantum number l, the total values of magnetic quantum number m can be related to l as

  • Question 2
    4 / -1

    An orbital with = 0 is

  • Question 3
    4 / -1

    In two H atoms A and 13 the electrons move around the nucleus in circular orbits of radius r and 4r respectively. The ratio of the times taken by them to complete one revolution is

  • Question 4
    4 / -1

    The energy required to dislodge electron from excited isolated H atom (IE1 = 13.6eV) is

  • Question 5
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    Velocity of electron in the first orbit of H-atom is compared to that of velocity of light is approximately

  • Question 6
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    How many electrons in Cu atom have (n + ) = 4

  • Question 7
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    In any subshell the maximum number of electrons having same value of spin quantum number is

  • Question 8
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    How many electrons in K (Z = 19) have n = 4 and ?

  • Question 9
    4 / -1

    Suggest two transitions in hydrogen spectrum for which wave number ratio is 108:7

  • Question 10
    4 / -1

    One unpaired electron causes magnetic moment of 1.1 B.M. The magnetic moment of Fe+2 ion is

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