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Rank the following sets of atoms and ions in order of increasing size: S, S$^{2-}$, Cl

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Answer: Cl < S < S$^{2-}$
Atomic radii increases down a group, but decreases down a period
Compared to the S atom, the Cl atom to the right is smaller.
The S$^{2-}$ anion is larger than the S atom
answered Jul 23, 2014 by balaji.thirumalai

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