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NEET2013ChemistrySolid StateActual

The number of carbon atoms per unit cell of diamond unit cell is

Options

  1. A4
  2. B8
  3. C6
  4. D1

Correct answer

B. 8

Step-by-step solution

The diamond lattice contains a fcc Bravias point lattice which have two identical atoms per lattice point. The diamond lattice contains 4 lattice points per unit cell but contains 8 atoms per unit cell.

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