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

  • question_answer How many electrons can be fit into the orbitals that comprise the \[{{3}^{rd}}\] quantum shell \[n=3\] [MP PMT 1986, 87; Orissa JEE 1997]

    A)                 2             

    B)                 8

    C)                 18          

    D)                 32

    Correct Answer: C

    Solution :

                    No. of electrons in \[{{3}^{rd}}\] shell = \[2{{n}^{2}}\]= \[2\,{{(3)}^{2}}\]\[=\,\,18\]

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