The discovery of other elements followed regularly and soon it became necessary to arrange them in some sort of order ... line in the diagram of the periodic table above separates the metals ...

An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest ...

The Periodic Table is an amazing chemistry tool that is organized with elements in order of increasing atomic number. The properties of the element change as you move across the row, but are similar ...

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.

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

Dmitri Mendeleev made order out of chaos when he introduced his periodic table in 1869. Until then, the 63 known chemical elements were scattered without a coherent system, making it difficult for ...