Explain the ions with the smaller charge density

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Reference no: EM13670189

Which of the subsequent pairs of ions is arranged so that the ions with the smaller charge density are listed first?
1. K+ , Rb+
2. Cl- , K+
3. Cl- , Br-
4. Ca2+ , Ba2+
5. None of these pairs are arranged in this way.

Reference no: EM13670189

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