Some small pieces of copper in a tube. Recently processed copper is a pink color. The color changes to the more familiar orange when it reacts with air.

Copper

Copper is a chemical element. It is the 29th element in the periodic table. Its atomic weight is 63.55. It is a transition metal in the middle of the periodic table. The symbol for copper is "Cu", which comes from the Latin word cuprum, which, in turn, came from the Latin word for the island of Cyprus, where copper was found.