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Giant covalent structures consist of atoms bonded covalently to one another in an infinitely repeating structure called a giant covalent lattice.
An example of a giant covalent substance is silicon dioxide. Here, a single atom of carbon is bonded to four oxygen molecules which are in turn each bonded to a carbon atom. What is produced is a giant crystal structure
Giant covalent structures are hard, with a high melting point and do not conduct electricity. Two important giant covalent structures are diamond and graphite - they have their own section in the 'Carbon Compounds and Nanoparticles' menu to the left. Here's dad to explain the general principles:
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