Mammoth Memory

Properties of giant covalent structures

Substances with giant covalent structures are insoluble

Diamond does not react with or dissolve in water.

glass of water with a diamond in it

Put a diamond in a glass of water and there will be no reaction.


Giant covalent structures have very high melting points

Diamonds have very high melting points.

image of a diamond over a bunsen burner flame but not melting

If you use a Bunsen burner to heat a diamond it will have no effect.


Giant covalent structures don’t conduct electricity

Substances with giant covalent structures don’t usually conduct electricity (graphite is the exception).

image of a diamond wired up to bulb but passing no electricity to it

Diamonds don’t conduct electricity.

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