JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Alkali Metals

  • question_answer
    Valency electrons in alkali metals are [CPMT 1972]

    A) 1

    B) 7

    C) 4

    D) 2

    Correct Answer: A

    Solution :

    Alkali metals valence shell configuration \[=n{{s}^{1}}\]

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