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Unit cells
Concepts tested here
- Diamond cubic structure
All Questions
2013 NEET 1 question
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The number of carbon atoms per unit cell of diamond unit cell is:The diamond cubic unit cell has eight corner atoms, six face-centred atoms and four more atoms inside the cell.
Number of atoms $= 8\times\frac{1}{8} + 6\times\frac{1}{2} + 4 = 1 + 3 + 4 = 8$