Gold is a chemical component with the symbol Au (from Latin: aurum) as well as atomic number 79, making it among the higher atomic number components that occur naturally. In a pure form, it is an intense, a little red yellow, thick, soft, flexible, and also ductile steel. Chemically, gold is a transition steel and also a group 11 aspect. It is among the least responsive chemical components and is solid under conventional problems. Gold frequently occurs in complimentary essential (native) type, as nuggets or grains, in rocks, in blood vessels, and also in alluvial down payments. It takes place in a strong remedy collection with the native aspect silver (as electrum), naturally alloyed with various other metals like copper and palladium and also as mineral additions such as within pyrite. Less typically, it happens in minerals as gold substances, typically with tellurium (gold tellurides). Gold is resistant to a lot of acids, though it does liquify in aqua regia (a combination of nitric...