The periodic table represents and organizes all known chemical elements on the basis of their properties. While the importance of this table in chemistry is uncontroversial, the role that it plays in ...

To mark 2019 being the International Year of the Periodic Table, members of the Physics World team have been having some chemical “fun” in our self-styled Battle of the Elements. It involved staff ...

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 ...