Answer:
Noble gas elements have highly
symmetrical electronic configuration and therefore, high ionisation enthalpies.
Since all their occupied orbitals are filled, they normally cannot form any
compounds. However, the elements fluorine and oxygen with high electro negativity
can cause the promotion of electrons from filled valence p-orbitals to the
vacant d-orbitals. This, too, is possible mainly in case of xenon in which the
ionisation enthalpy is the minimum and the promotion of electrons is rather
easy. No other elements are in a position to form compounds with noble gas
elements. For details, consult Section 7.32.
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