It was found that in 30 unit cells of ZnS, four atoms are of trivalent – InterviewSolution

1.	It was found that in 30 unit cells of ZnS, four atoms are of trivalent metal. How many vacant tetrahedral voids are present in 30 unit cells of ZnS?
Answer» `2` `62` `122` `126` Solution :Total VACANT `=30xx4+2=122`

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