You have probably encountered the element Gold since grade school. It is one of the elements under Transition Metal with an atomic number of 79. Gold is shiny yellow in color if placed under standard conditions. It is very dense, heavy, and solid at room temperature. Despite being a heavy metal, gold is also very soft and malleable. In fact, it is the most malleable metal so it can be pounded into very thin sheets. According to the American Museum of Natural History, a thin sheet that could form and spread to more than a hundred square feet area with just an ounce of gold.