What are the chemical properties of bronze as opposed to the physical properties of bronze?

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Bronze is a homogeneous mixture of copper and tin. Mixtures of solid metals are called alloys. Modern bronze is composed of 88% copper and 12% tin.

physical property is a property that can be observed without changing the identity of the substance that is being observed. Physical properties of bronze include: 

  • Bronze is a solid at room temperature.
  • Bronze is copper-colored.
  • Bronze is odorless.
  • Bronze has melting point of ~950 degrees C to 1050 degrees C.
  • Bronze has a relative density of ~8.8 g/cc.
  • Bronze is insoluble in water.
  • Bronze is ductile.
  • Bronze is a good conductor of heat.
  • Bronze is a good conductor of electricity.
  • Bronze is harder than copper or iron.
  • Bronze has low friction properties.

chemical property is a property whose observation results in a change in the identity of the substance. Chemical properties of bronze include:

  • Bronze can oxidize in air, resulting in a thin film of copper oxide on the surface.
  • Bronze can react with many pollutants, especially those containing sulfur compounds.
  • Bronze can react with chlorine compounds resulting in the formation of copper chloride, which continues to corrode the bronze. This process is called "bronze disease."
  • Bronze resists seawater corrosion.
  • Bronze can react with strong acids, producing hydrogen gas.
  • Bronze is stable at room temperature.
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