
Definition of physical and chemical properties of gold :Gold is a metallic chemical symbol (Au), one of the elements known since antiquity. It was possession of gold, turquoise, yellow, bright and attractive sign of wealth for thousands of years.A shiny yellow metal in the form of blocks can reflect the light seems Cefaiha tortillas green or blue. The gold section Tkotaia accurate - is characterized by painted metal - while there are other types...