1.

A solid has 3 types of atoms namely X, Y and Z. X forms a fcc lattice with Y atoms occupying all the tetrahedral voids and Z atoms occupying half the octahedral voids. The formula of the solid is.........(A) X2Y4Z(B) XY2Z4(C) X4Y2Z(D) X4YZ2

Answer»

Correct answer: (A) X2Y4Z



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