Q)
In a crystal oxide ions are arranged in fcc and A$^{+2}$ ions are at 1/8th of the tetrahedral voids, and ions $B^{+3}$ occupied $\large\frac{1}{2}$ of the octahedral voids. Calculate the packing fraction of the crystal if O-2 of the removed from alternate corner and $A^{+2}$ is being place at 2 of the corners.
1 Answer
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