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
      Transition metals have very high melting points and boiling points why?

    Answer:

    The high melting point and boiling points of transition metals are attributed to the involvement of greater number of electrons from (n- 1) d-orbital in addition to the ns electrons in the inter atomic metallic bonding (d-d overlap).


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