JEE Main & Advanced JEE Main Paper (Held On 10 April 2015)

  • question_answer
    If the principal quantum number n = 6, the correct sequence of filling of electrons will be: JEE Main Online Paper (Held On 10 April 2015)

    A) \[ns\to np\to (n-1)d\to (n-2)f\]

    B) \[ns\to (n-1)d\to (n-2)f\to np\]

    C) \[ns\to (n-2)f\to (n-1)d\to np\]

    D) \[ns\to (n-2)f\to np\to (n-1)d\]

    Correct Answer: C

    Solution :

                     The sequence of filling electrons in sixth period : \[6s-4f-5d-6p\]i.e. \[\left( ns \right)\to \left( n-2 \right)f\to \left( n-1 \right)d\to np\]


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