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UPSC Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Elements Classification and Chemical Bonding

  • question_answer
          Which one of the following is not a periodic property i.e., does not show any trend on moving from one side to the other in the periodic table? [CDS]

    A) Atomic size       

    B)        Valency

    C) Radioactivity      

    D)        Electronegativity

    Correct Answer: C

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