JEE Main & Advanced Chemistry Structure of Atom Question Bank Quantum number, Electronic configuration and Shape of orbitals

  • question_answer
    Elements upto atomic number 103 have been synthesized and studied. If a newly discovered element is found to have an atomic number 106, its electronic configuration will be [AIIMS 1980]

    A)                 \[[Rn]5{{f}^{14}},6{{d}^{4}},7{{s}^{2}}\]

    B)                 \[[Rn]5{{f}^{14}},6{{d}^{1}},7{{s}^{2}}7{{p}^{3}}\]

    C)                 \[[Rn]5{{f}^{14}},6{{d}^{6}},7{{s}^{0}}\]                

    D)                 \[[Rn]5{{f}^{14}},6{{d}^{5}},7{{s}^{1}}\]

    Correct Answer: D

    Solution :

                    \[Un{{h}_{106}}=[Rn]\,5{{f}^{14}},\,6{{d}^{5}},\,7{{s}^{1}}\]


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