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In diamond, the coordination number of c...

In diamond, the coordination number of carbon is:

A

four and its unit cell has eight carbon atoms

B

four and its unit cell has six carbon atoms

C

six and its unit cell has four carbon atoms

D

four and its unit cell has four carbon atoms

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(a) The space lattice of diamond is fcc and has tetrahedral geometry. Thus, the convertional uit cube contains eight atoms with CN foiur.
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