Copper is a chemical element with the symbol Cu (Latin: cuprum) and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is rather soft and malleable, and a freshly-exposed surface has a pinkish or peachy color. It is used as a thermal conductor, an electrical conductor, a building material, and a constituent of various metal alloys.
11 September 1973: Chile's Torture Survivors Roberto and Cristina Navarrete Denounce Pinochet Legacy [VIDEO]
- NASA on Alert as Giant Iceberg Breaks Off into Antarctica
- Andre Schurrle Offers to Solve Chelsea Problems Up Front
- German Bribery Conviction Could See Ecclestone and Daimler Exit F1
- Royal Tour in 40 Pictures: Kate Middleton, Prince William and Baby George in Australia and New Zealand
- Solar Eclipse to Transform Sun into 'Annulus' Ring of Fire