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JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Self Evaluation Test - Classification of Elements and Periodicity in Properties

  • question_answer
    Which pair of elements belongs to same group?

    A) Elements with atomic no. 17 and 38

    B) Elements with atomic no. 20 and 40

    C) Elements with atomic no. 17 and 53

    D) Elements with atomic no. 11 and 33

    Correct Answer: C

    Solution :

    [c] Atomic no. \[17\left( Cl \right)\] and 53 (I) are present in the same group


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