↑ ionic radius → ↑ # e-
Total valence e- of Sr2+ = 38 e- - 2e- = 36 e-
Total valence e- of Ba2+ = 56 e- - 2e- = 54 e-
Total valence e- of Cs+ = 55 e- - 1 e- = 54 e-
Rank the ions in order of decreasing size, and explain your ranking: Sr 2+, Ba2+, Cs+.
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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.