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In calcium fluoride , having the fluorite structure , the coordination numbers for calcium ion `(Ca^(2+))` and fluoride ion `(F^-)` are
A. 4 and 2
B. 6 and 6
C. 8 and 4
D. 4 and 8

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Correct Answer - C
In `CaF_2`, having fluorite structure , coordination of `Ca^(2+)`=8 and that of `F^-`=4

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