What is the coordination number of a particle in fcc structure?

What is the coordination number of a particle in fcc structure?
  1. 12
  2. 2
  3. 4
  4. 6

Solution

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.

Asked in: MHT CET 2024 (09 May Shift 2)

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