find the radius ratio of k+and br- on basis predict the shape of crystal geometry of KBr
Phillipe:
on what basis??
incomplete question...
on what basis
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K+/Br
ratio is 152 pm/182pm = 0.835.
Thus, it should be cubic structure with CN = 8
kfa the crystal geometry in attachment
blue ball=k+
brown ball =Br-
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