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 ...

Click on the images below to automatically tweet the element infographics. Download the PDFs to make your own wall displays or education resources. We've also created a range of IYPT-themed, ...

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

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