Gold, pronounced J and N, originally means a noun, a red and yellow precious mineral and an international monetary standard. Extended meaning is a noun, such as copper, iron and other substances with positive elements, money; Adjectives are the most valuable and precious.
Gold is a metallic element, its chemical symbol is Au, and its atomic number is 79. The simple substance (free form) of gold, commonly known as gold, is a popular precious metal, which has been used as currency, preservation and jewelry for many centuries.