What is the atomic state of noble gases?

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Question

(A) Noble gases (Group $18$ elements) have completely filled valence shells ($ns^2 np^6$,except $He$ which is $1s^2$). Due to their stable electronic

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Monoatomic

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(A) Noble gases (Group $18$ elements) have completely filled valence shells ($ns^2 np^6$,except $He$ which is $1s^2$). Due to their stable electronic configuration,they have very low reactivity and do not form bonds with other atoms under normal conditions. Therefore,they exist in a $monoatomic$ state.

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