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
      Zr and Hf occur in nature together why?

    Answer:

      The almost similar atomic radii of zirconium and hafnium as a consequence of lanthanoid contraction account for their occurrence together.


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