predict the close packed structure of an ionic compound A+B- in which the radius of cation and anion are 148 pm and 195pm
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The radius ratio is used to find the coordination number.
Radius of cation = 148 pm
Radius of anion= 195 pm
Radius ratio=radius of cation radius of anion
radius ratio=148195=0.7589
Hence the compound is cubic.
Coordination number=8
Explanation:
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