A new version of the periodic table showcases the predicted properties of 2-D metals, an obscure class of synthetic materials. Arrayed in 1-atom-thick sheets, most of these 2-D metals have yet to be ...

The news broke that a railroad car, loaded with pure sodium, had just derailed and was spilling its contents. A television reporter called me for an explanation of why firefighters were not allowed to ...

Kosuke Morita, who has led the RIKEN group at the Riken institute, shows the 113th atomic element at a news conference in Wako, Saitama Prefecture on Dec. 31, 2015. Editor at Large It says something ...

But the periodic table didn’t actually start with Mendeleev. Many had tinkered with arranging the elements. Decades before, chemist John Dalton tried to create a table as well as some rather ...

How far into the periodic table could you get? Would you be breaking any laws? At what point would your periodic table start ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...

David Cole-Hamilton – previously president of EuChemS – explains why we need to be mindful of many of the elements as a limited resource. The periodic table allows us to understand chemistry at a ...