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12th Class Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank 12th CBSE Chemistry The d-and f-Block Elements

  • question_answer
      Atomic radii of Zr (160 pm) are identical with the radii of Hf (159 pm) Why?

    Answer:

      Due to lanthanoid contraction.


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