There are many interestingfacts about the element gold, which is listed on the periodic table as Au. This is the only truly yellow metal on Earth, but there's a lot more to learn about gold. Gold Facts Gold is the only metal that is yellow or "golden." Other metals may develop a y...
Calcium is an Element which is Denoted by the Symbol Ca. The Atomic Number of Calcium is 20. Learn about the Important Properties and Uses of Calcium Here.