A mineral has the formula AB2 and crystallizes in the cubic close packed lattice, with atoms A occupying the lattice points. The co-ordination number and the fraction of tetrahedral sites occupied by atoms B are:
A
4, 100%
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B
6, 75%
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C
1, 25%
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D
6, 50%
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Solution
The correct option is A 4, 100% It's CaF2 type structure.