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Home  >>  JEEMAIN and NEET  >>  Chemistry  >>  p-Block Elements

Select among the following one with largest size

$(a)\;Cl^{-}\qquad(b)\;Ar\qquad(c)\;K^+\qquad(d)\;Ca^{2+}$

1 Answer

The size decreases with increases in nuclear charge $Cl^-$ is staring ion.It should be biggest in size.
Hence (a) is the correct answer.
answered Nov 27, 2013 by sreemathi.v
 
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