Gold is a chemical element with symolAu (from Latin : aurum) and atomic number 79. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions . Gold often occurs in free elemental (native) form, as nuggets or grains, in rocks, in veins and in alluvial deposites.