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  5. Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Topic Test - Chemical Periodicity (5-5-21)

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    Arrange the following in increasing order of their atomic radius : \[Na,\,K,\,Mg,\,Rb\]   

    A) Mg < K < Na < Rb

    B) Mg  < Na < K < Rb

    C) Mg < Na < Rb < K

    D) Na < K < Rb < Mg

    Correct Answer: B

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