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Question
In a crystal of diamond:
(i) How many carbon atoms are present per unit cell?
(ii) What type of lattice does diamond crystallize in?
(iii) How many carbon atoms surround each carbon atom?
(iv) How are they arranged?
Solution
i)
Four carbon atoms are present per unit cell.
(ii)
Diamond crystallizes in a network type of lattice with the free arrangement of carbon atoms.
(iii)
Four carbon atoms surround each carbon atom.
(iv)
Four carbon atoms are tetrahedrally arranged around each central carbon atom.
Tetrahedral arrangement
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