Q36 of 312 Page 222

Describe the structure of diamond.

A diamond crystal is a giant molecule of carbon atoms in which each carbon atom is linked to four other carbon atoms by strong covalent bonds forming a rigid three-dimensional network structure, which is responsible for its hardness.



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35 State one use of diamond which depend on its ‘extraordinary brilliance’ and use of graphite which depends on its being ‘black and quite soft.’ 36 What is diamond? Of what substance is diamond made? 36 Explain why, diamond has a high melting point. 36 State any two uses of diamond.