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

  • question_answer The total number of unpaired electrons in \[d\]- orbitals of atoms of element of atomic number 29 is     [CPMT 1983]

    A)                 10          

    B)                 1

    C)                 0             

    D)                 5

    Correct Answer: C

    Solution :

                    Atomic number of Cu is \[29=(Ar)\,4{{s}^{1}}3{{d}^{10}}\].

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