What is not a trace gas found in our atmosphere oxygen,argon,carbon dioxide or neon

Argon is not a trace gas because it makes up 0.934% of the atmosphere.

Lewis dot structure of SO2Cl2 is constructed as the place of S atom at the centre double bond the S atom to 2 O atoms at 180 degree from each other the single bond the 2 Cl atom 180 degree from each other to the S atom .

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