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
    Why do chromium group elements have the highest melting points in their respective series?

    Answer:

                      The elements belonging to this group. (Cr, Mo, W, Sg) have maximum number of unpaired \[d\]-electrons (\[{{d}^{5}}\] configuration). Therefore metallic bonding is the maximum and so are the melting points.


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