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 enthalpies of atomization, Why?

    Answer:

      The high enthalpy of atomisation is due to stronger inter atomic bonding due to overlap of unpaired electrons in d-orbitals. Greater the number of unpaired electrons, stronger is the resulting bonding and corresponding higher enthalpy of atomisation.


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