Chemistry Practice Problems Periodic Trends: Ionic Radius Practice Problems Solution: In the ionic compounds LiF, NaCl, KBr, and RbI, th...

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Solution: In the ionic compounds LiF, NaCl, KBr, and RbI, the measured cation-anion distances are 2.01 Å (Li - F), 2.82 Å (Na - Cl), 3.30 Å (K - Br), and 3.67 Å (Rb - I), respectively. Calculate the difference between the experimentally measured ion–ion distances and the ones predicted from the figure.

Problem
In the ionic compounds LiF, NaCl, KBr, and RbI, the measured cation-anion distances are 2.01 Å (Li - F), 2.82 Å (Na - Cl), 3.30 Å (K - Br), and 3.67 Å (Rb - I), respectively. Calculate the difference between the experimentally measured ion–ion distances and the ones predicted from the figure.

Solution

We are asked to  calculate the difference between the experimentally measured ion–ion distances and the ones predicted from the figure given:

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