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Structure of At...

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  • Question 1
    4 / -1

    A element M has an atomic mass 19 and atomic number 9. Its ion is represented by

  • Question 2
    4 / -1

    Which of the following ions has the maximum magnetic moment ?

  • Question 3
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    The value of the energy for the first excited state of hydrogen will be

  • Question 4
    4 / -1

    In hydrogen atom, energy of first excited state is -3·4 eV. Find out the K.E. of the same orbit of hydrogen atom

  • Question 5
    4 / -1

    The energy of the first electron in helium will be

  • Question 6
    4 / -1

    In a hydrogen atom, if the energy of an electron in the ground state is 13·6 eV, then that in the 2nd excited state is

  • Question 7
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    The ratio between kinetic energy and the total f energy of the electrons of hydrogen atom according to Bohr’s model is

  • Question 8
    4 / -1

    In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen ?

  • Question 9
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    The atomic number of an element is 35. What is the total number of electrons present in all the p-orbitals of the ground state atom of that element?

  • Question 10
    4 / -1

    Which of the following sets of quantum numbers is correct for an electron in 4f – orbital ?

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