In its raw form at standard temperature and pressure, copper is a red-orange solid metal. It is a ductile metal that is soft and malleable at room temperature.
Copper is a chemical element that has an atomic symbol of Cu and an atomic number of 29. It has an atomic mass of 63.5 grams/mole and is classified as a transition metal. Copper is an essential metal to all living organisms on Earth. It is known as a trace dietary mineral for humans. The transition metal is also used heavily in industry due to its ability to conduct both heat and electricity.