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Q.12* The ionisation enthalpy also depends upon the electronic configuration of the atom. It has beenobserved that certain electronic configurations are more stable than others. For example half filled and completely filled shell have extra stability associated with them. Consequently it is difficult to remove electron from these stable configurations. Answer the following on the basis of the above paragraph: (i) Why the noble gases have highest value of ionisation enthalpies in their respective period ? (ii) Out of Li, Be, Mg, Al, P and Cl which have completely filled and half-filled orbitals consequently large ionisation enthalpies |
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