Question

what is radius ratio rule ​

Answer 1

Answer:

Radius ratio rule

First rule: the radius ratio rule. If the radius ratio is less than the minimum, two anions will tend to depart and the remaining four will rearrange into a tetrahedral geometry where they are all in contact with the cation. The radius ratio rules are a first approximation which have some success in predicting coordination numbers, but many exceptions do exist.....

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Answer 2

Explanation:

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