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(C) The fluorite structure $(CaF_2)$ consists of $Ca^{2+}$ ions in a face-centered cubic $(fcc)$ arrangement,with $F^-$ ions occupying all tetrahedral

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By interchanging the positions of the cations and anions in the lattice

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(C) The fluorite structure $(CaF_2)$ consists of $Ca^{2+}$ ions in a face-centered cubic $(fcc)$ arrangement,with $F^-$ ions occupying all tetrahedral voids.In the anti-fluorite structure (e.g.,$Na_2O$),the positions of the cations and anions are interchanged compared to the fluorite structure.Therefore,the anti-fluorite structure is derived by replacing the positions of cations and anions in the fluorite lattice.

How is the anti-fluorite structure derived from the fluorite structure?

Similar Questions

$A$ compound made of elements $A$ and $B$ forms an $fcc$ structure. Atoms of $A$ are at the corners and atoms of $B$ are present at the centres of the faces of the cube. What is the formula of the compound?

All of the following share the same crystal structure except:

$A$ compound $M_pX_q$ has a cubic close packing $(ccp)$ arrangement of $X$. Its unit cell structure is shown below. The empirical formula of the compound is:
$M = \square$
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