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Try to answer the following: (i) In Zi...

Try to answer the following:
(i) In Zinc Blende structure there is one `Zn^(+2)` ion per `S^(2-)` ion. But the radius ratio lies in the range of Tetrahedral void and there are two tetrahedral voids available per `S^(2-)`. Can you given the idea about the arrangement of the lattice.
(ii) What is the striking difference between the Fluorite and the Anit-fluorite structures

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