Blografi

Copper is a chemical element having a symbol as Cu and atomic number 29. Pure copper is rather soft, malleable, and has on its surface a fresh dew peach hue. It is a ductile metal with particularly high electrical and thermal conductivity which gives it various uses. It is also used as a building material and is used in the composition of many alloys. Copper and its alloys have been used by man for thousands of years, the oldest traces of copper smelting in wind ovens having been discovere …