Haryana PMT Haryana PMT Solved Paper-1999

  • question_answer
    The total number of orbitals in the fifth energy level is:

    A)  \[5\]                                    

    B)  \[10\]

    C)  \[18\]                                  

    D)  \[25\]

    Correct Answer: D

    Solution :

                    The total number of atomic orbitals (total 'm') in nth shell is equal to \[{{n}^{2}}\]. So in fifth shell \[={{5}^{2}}=25\]


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