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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Priyanshu kumar Best Answer
please explain more about question that where you have problem.?
Sir this question..
check adarsh
No of atoms ke equal octahedral voids hote hai or number of atoms ke double tetrahedral voids hote hai...or FCC me 4 atoms hote hai..accordingly you can proceed