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The Ca^(2+) and F^(-) ions arc located i...

The `Ca^(2+)` and `F^(-)` ions arc located in `CaF_(2)` crystal respectively at face centred cubic lattice points and in

A

tetrahedral voids

B

half of tetrahedral voids

C

octahedral voids

D

half of octahedral voids

Text Solution

Verified by Experts

The correct Answer is:
A
`Ca^(+ +)` ions are present at all corners and at the centre of each face of the and `F^(-)` ions cccupy all the tetrahedral voids.
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