JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties Question Bank Electronegativity

  • question_answer Which one of the following represents the electronic configuration of the most electropositive element [AIIMS 1982; CPMT 1994; MP PMT 2000]

    A) \[[He]\,2{{s}^{1}}\]

    B) \[[Xe]\,6{{s}^{1}}\]

    C) \[[He]\,2{{s}^{2}}\]

    D) \[[Xe]\,6{{s}^{2}}\]

    Correct Answer: B

    Solution :

    Electropositive nature increases down the group and decreases across the period.

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