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Topic: Radius ratio rules  (Read 4676 times)

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Offline RHatake

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Radius ratio rules
« on: May 09, 2009, 08:42:10 AM »
Using radius ratio rules ammonium flouride (NH4F) is predicted to have 8:8 coordination. At room temperature it actually has the wurzite structure with 4:4 coordination. Account for this observation.

really need help on this question as part of my revision thank you  ;D

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