1. Copper has a characteristic reddish brown colour.
2. Its density is 8.93 g cm-3.
3. Its melting point is 1083`C.
4. It is highly malleable and ductile at ordinary temperature. It becomes brittle near melting point.
5. It is a very good conductor of heat and electricity.
6. Its conductivity is almost as much as that of silver, the best conductor among all the metals.