The $Ca^{2+}$ and $F^{-}$ ions are located in $CaF_2$ crystal,respectively,at face-centered cubic lattice points and in
- ATetrahedral voids
- BHalf of tetrahedral voids
- COctahedral voids
- DHalf of octahedral voids
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In a face-centered cubic $(FCC)$ unit cell,what fraction of an atom located at the face center is shared by one unit cell?
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View SolutionIn the structure of a solid, $W$ atoms are located at the cube corners of the unit cell, $O$ atoms are located at the cube edges, and $Na$ atoms are at the cube centers. The formula of the compound is:
The number of atoms in body-centred and face-centred cubic unit cells are, respectively:
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