Copper & Bronze

Copper & Bronze

Copper is a pure chemical element and a natural mineral that can be found mainly in the earth's crust and water in smaller quantities. In contrast, bronze is an alloy which contains copper as the main constituent with tin and some other metal and non-metal compounds.

Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals and sometimes non-metals or metalloids such as arsenic, phosphorus or silicon.

copper (Cu), chemical element, a reddish, extremely ductile metal of Group 11 (Ib) of the periodic table that is an unusually good conductor of electricity and heat. Copper is found in the free metallic state in nature. This native copper was first used (c. ... The Roman supply of copper came almost entirely from Cyprus.