Which is your favourite chemical element? To mark the International Year of the Periodic Table, our science journalists will be arguing for their pick from the 118 known elements. In this instalment, ...

The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

A new periodic table developed by online educators allows users to become more familiar with different elements by showing them how each one can be used in practical applications. Keith Enevoldsen ...