Banking Chemistry Classification of Elements and Periodicity in Properties Question Bank Classification of Elements and Periodicity in Properties

  • question_answer Which is not true about noble gases?

    A)  They are non-metallic in nature

    B)  They exist in atomic form

    C)  They are radioactive in nature  

    D)  Xenon is the most reactive among them

    Correct Answer: C

    Solution :

     Only Radon (Rn) is radioactive whereas other noble gases (i.e., He, Ne, Ar, Kr, Xe) are non-radioactive.

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