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Why helium and neon do not form compound...

Why helium and neon do not form compounds with florine?

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Atomic size of He and Ne is very small and possese very high inoisation enthalpies emthalpies.Both do not have d-orbitals in their valence shells. Thas the paired electrons present in valence shell cannot be unpaired in absence of simgly occupied orbitals, no sharting is possinble with other atoms .Hence , no compounds are formed by he and Ne.
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