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The Solid State

Question
CBSEENCH12011118

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

  • 4

  • 8

  • 6

  • 1

Solution

B.

8

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