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Structure of At...

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  • Question 1
    4 / -1

    The electron was shown experimentally to have wave properties by

  • Question 2
    4 / -1

    An element M has an atomic mass 19 and atomic number 9, its ion is represented by

  • Question 3
    4 / -1

    The number of nodal planes in a px orbital is

  • Question 4
    4 / -1

    For which of the following species, Bohr’s theory is not applicable?

  • Question 5
    4 / -1

    Identify the least stable among the following:

  • Question 6
    4 / -1

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

  • Question 7
    4 / -1

    Rutherford’s experiment which established the nuclear model of the atom used a beam of

  • Question 8
    4 / -1

    If the nitrogen atom had electronic configuration 1s7, it would have energy lower than that of the normal ground state configuration1s22s22p3 because the electrons would be closer to the nucleus. Yet 1s7 is not observed. It violates

  • Question 9
    4 / -1

    The maximum number of electrons in a subshell having the same value of spin quantum number is given by

  • Question 10
    4 / -1

    What is wrong about anode rays?

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