28 other isotopes can be produced artificially and are all radioactive. Gold along with silver and copper, form a column in the periodic table. They are found naturally and were the first three ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Copper has been used by humans for as much as 7000 years and elements such as gold, silver ... line in the diagram of the periodic table above separates the metals, on the left, from non-metals ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles ... A main goal of many alchemists of the past was to turn lead into ...