JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Self Evaluation Test - Structure of Atom

  • question_answer
    What is the maximum number of electrons that can be accomodated in an atom in which the highest principal quantum number value is 4?

    A) 10   

    B) 18   

    C) 36        

    D) 54

    Correct Answer: C

    Solution :

    [c] Energy of subshells follow the order \[1{{s}^{2}},\,2{{s}^{2}},2{{p}^{6}},4{{s}^{2}},3{{d}^{10}},4{{p}^{6}},5s,4d,5p,6s.....\]we can fill them by electrons up to 4p hence 36 electrons.


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