Physical and chemical properties:
Pure metal copper fuchsia, impure may be golden yellow or brown, pure copper is ductile, metallic copper has good electrical conductivity, its electrical conductivity is second only to silver.
There are many kinds of alloys of copper, the most common being brass, bronze and white copper. Brass is an alloy of copper and zinc, bronze is an alloy of copper and tin, and white copper is an alloy of copper and nickel. Metallic copper is damp and easily forms a green "copper"-basic copper carbonate.
Uses:
Conductivity: Can be used as a wire, circuit board.
Extensibility and elasticity: used to manufacture copper winding timepiece, the spring.
Thermal conductivity: Copper can be used as a device for cooling the CPU and a heat pipe for the compressor.
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