Identify the correct order of the size of the following

1.	Identify the correct order of the size of the following
Answer» `Ca^(+2) lt K^(+) lt Ar lt S^(-2) lt CL^(-)` `Ca^(+2) lt K^+ lt Ar lt Cl^(-) lt S^(-2)` `Ar lt Ca^(+2) lt K^(+) lt Cl^(-) lt S^(-2)` `Ca^(+2) lt Ar lt K^(+) lt Cl^(-) lt S^(-2)` ANSWER :B

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