The coordination number of an atom in a fcc lattice is _________.

12

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Solution

The correct option is B $12$
Each constituent particle in a fcc lattice is surrounded by $4$ particles in the plane, $4$ particles above it and $4$ particles below it. Hence, the coordination number of an atom in a fcc lattice is $12$ .

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The coordination number of an atom in a fcc lattice is _________.

The correct option is B 12Each constituent particle in a fcc lattice is surrounded by 4 particles in the plane, 4 particles above it and 4 particles below it. Hence, the coordination number of an atom in a fcc lattice is 12.

The correct option is B $12$
Each constituent particle in a fcc lattice is surrounded by $4$ particles in the plane, $4$ particles above it and $4$ particles below it. Hence, the coordination number of an atom in a fcc lattice is $12$ .