A main goal of many alchemists of the past was to turn lead into gold. This collection of links explores ... we asked clubs to create elements of the periodic table featuring a mole. The Period Table ...

Copper has been used by humans for as much as 7000 years and elements such as gold, silver, tin, lead and mercury have ... line in the diagram of the periodic table above separates the metals ...

Bismuth, the 83rd element in the periodic table, has been known since ancient times, but was often confused with lead and tin. In 1753, Claude François Geoffroy from France demonstrated that ...