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The Table Below Lists the Ionic Radii for the Cations

Question 60

Essay

The table below lists the ionic radii for the cations and anions in three ionic compounds. The table below lists the ionic radii for the cations and anions in three ionic compounds. Each compound has a cubic structure like NaCl, CsCl, or ZnS. Use the ratio of cation radius to anion radius to predict the structure formed (that of NaCl, CsCl, or ZnS). Then estimate the density of each compound. For ZnS structures, the holes occupied lie along the body diagonals of the unit cell so that 1/4 (body diagonal) = r<sup>+</sup> + r<sup>-</sup>.
Each compound has a cubic structure like NaCl, CsCl, or ZnS. Use the ratio of cation radius to anion radius to predict the structure formed (that of NaCl, CsCl, or ZnS). Then estimate the density of each compound. For ZnS structures, the holes occupied lie along the body diagonals of the unit cell so that 1/4 (body diagonal) = r+ + r-.

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SnO2: NaCl structure; 6.66 g/cm...

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