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In fluorite structure (CaF2)-...

In fluorite structure `(CaF_2)`-

A

`Ca^(2+)` ions form ccp & `F^(-)` ions are present in all the tetrahedral voids

B

`Ca^(2+)` ions form ccp & `F^(-)` ions are present in all the octahedral voids

C

`Ca^(2+)` ions form ccp & `F^(-)` ions are present in half of the octahedral voids and the rest half ions in the tetrahedral voids

D

None

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A
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