The chemically unreactive, extremely malleable, ductile, high density (19.32 gm cm), attractive golden-yellow color, and bright metal gold found in nature's very pure form. Copper, silver, and gold constitute the family of the coinage of currency metals and occurs in nature in a native form with very similar chemical and physical properties in chemistry. The name gold is derived from the old English word geolu means yellow and from the Latin word aurum. Gold (Au), chemical element, the yellow precious metal of Group 11 or 1B, and period 6 of the periodic table uses widely from ancient history in jewelry or coinage production.