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 ...

118 Elements and Their Symbols and Atomic Numbers: The periodic table is a well-organized chart ... The symbol serves as a shorthand notation for each element's name in formulas and equations ...

They are seeking good fortune in their hunt for an elusive entity: element 119. The periodic table looks complete ... Japan has unexpectedly taken the lead in this race to discover a new element.