Problem: Rank the ions in order of  decreasing size, and explain your ranking: Sr 2+, Ba2+, Cs+.

FREE Expert Solution

 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- 


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Problem Details

Rank the ions in order of  decreasing size, and explain your ranking: Sr 2+, Ba2+, Cs+.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Periodic Trends: Ionic Radius concept. You can view video lessons to learn Periodic Trends: Ionic Radius. Or if you need more Periodic Trends: Ionic Radius practice, you can also practice Periodic Trends: Ionic Radius practice problems.

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Based on our data, we think this problem is relevant for Professor Gipson's class at BAYLOR.

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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.