黄金（Gold）即金，化学元素符号Au，是一种软的，金黄色的，抗腐蚀的贵金属。金是最稀有、最珍贵的金属之一。-Gold (Gold), the gold, the chemical element symbol Au, is a soft, golden, precious metal anti-corrosion. Gold is one of the rarest, most precious metal.