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Copper is a pure elemental metal with the atomic number 29, while both bronze and brass are alloys of copper and other metals. Bronze is always an alloy of copper and tin. Brass is an alloy of copper and zinc, sometimes with other metals added to give the brass specific...


Bronze is an alloy composed of copper and tin, though sometimes other substances, such as arsenic, are substituted for the tin. Bronze is harder than pure copper, making it a more durable material for weapons, hardware and sculpture.


Copper is a good conductor of heat because it contains a lattice of vibrating ions that allow electrons to move freely. Copper's ability to transfer heat quickly makes it a suitable material for copper plates, pipes and heat sinks.


Bronze is an alloy made of 88 percent copper and 12 percent tin. Other metals, such as aluminum, zinc, lead and silicon, are added to it frequently. It is malleable, ductile, lustrous, hard, golden brown in color, and a good conductor of heat and electricity.


Bronze metal is used in doors, windows, mail boxes, trim, furniture and rails. A type of bronze called statuary bronze is a popular medium in outdoor sculptures.


Most bronze is made out of a mixture of copper and tin. However, some modern versions of bronze substitute the zinc for aluminum, manganeseor zinc.


The Bronze Age refers to various worldwide time periods during which bronze came into use for creating tools, weapons and ornaments and ended when iron became the newly discovered and preferred raw material. The Bronze Age followed the end of the Neolithic period in the...