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

  • question_answer  \[3{{d}^{10}}4{{s}^{0}}\] electronic configuration exhibits by

    A)                 \[Z{{n}^{++}}\] 

    B)                 \[C{{u}^{++}}\]

    C)                 \[C{{d}^{++}}\]

    D)                 \[H{{g}^{++}}\]

    Correct Answer: A

    Solution :

               \[Z{{n}_{30}}=[Ar]\,3{{d}^{10}}4{{s}^{2}}\]                                 \[Z{{n}^{++}}=\,[Ar]\,3{{d}^{10}}\,4{{s}^{0}}\]

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