Question

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Answer 1

In the Periodic Table, The elements of group 18 are all gases, but there are highly unreactive. That's why, they are called Noble Gases. The cause of there inertness is: Electronic Configuration

Answer 2

The full valence electron shells of these atoms make noble gases extremely stable and unlikely to form chemical bonds because they have little tendency to gain or lose electrons. Although noble gases do not normally react with other elements to form compounds, there are some exceptions

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