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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 Atomic and lonic radii

  • question_answer
    On going down a main sub-group in the periodic table (example \[Li\] to \[Cs\] in IA or \[Be\] to \[Ra\] in IIA), the expected trend of changes in atomic radius is a [CPMT 1981; NCERT 1979]

    A) Continuous increase

    B) Continuous decrease

    C) Periodic one, an increase followed by a decrease

    D) A decrease followed by increase

    Correct Answer: A

    Solution :

      Continuous increase as no. of shells increases down the group.


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