GOLD is a chemical ELEMENT with the symbol Au and atomic number 79. It is a soft, malleable, and ductile METAL that is often found in its native form, particularly in sedimentary rocks. GOLD is one of the most precious metals and is used in jewelry, coins, and other forms of currency. It is also used in electronics, dentistry, and medicine. GOLD is a transition METAL and is considered to be a noble METAL due to its high resistance to corrosion and oxidation.