Noble gases are mostly chemically inert. – InterviewSolution

1.

Noble gases are mostly chemically inert.

Answer»

Their inertness to chemical reactivity is attributed to the following reasons:

(i) The noble gases except helium (1s² ) have completely filled ns² p⁶6 electronic configuration in their valence shell.

(ii) They have high ionisation enthalpy and more positive electron gain enthalpy.

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