Depending on the temperature, rubidium chloride can exist in either the rock-salt (Fig. 3H.25) or cesium-chloride structure

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Depending on the temperature, rubidium chloride can exist in either the rock-salt (Fig. 3H.25) or cesium-chloride structure (Fig. 3H.30).

(a) What are the coordination numbers of the rubidium and chloride ions in each structure?

(b) In which of these structures does the rubidium ion occupy the larger “hole”?

FIGURE 3H.30CI- Cs+

FIGURE 3H.25

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Chemical Principles The Quest For Insight

ISBN: 9781464183959

7th Edition

Authors: Peter Atkins, Loretta Jones, Leroy Laverman

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