A chemical element is one of those squares on the periodic table that adorns many a classroom wall. Sure. But what is an element really? It is a more subtle question that you might realise. To get to ...

Recognize these rows and columns? You may remember a detail or two about this mighty table’s organization from a long-ago chemistry class. Elements are ordered according to their number of protons, or ...

A basic building block of matter. There are 118 chemical elements, 94 of which occur in nature. The additional 24 are created in labs. See rare earth elements and isotope. THIS DEFINITION IS FOR ...

Javier Garcia Martinez is director of the Laboratory of Molecular Nanotechnology at the University of Alicante, Spain, founder of Rive Technology and author of The Chemical Element: Chemistry´s ...

The periodic table is one of the triumphs of science. Even before certain elements had been discovered, this chart could successfully predict their masses, densities, how they would link up with other ...

We’ve reached the limit of a very successful way to make new elements in the lab. In new research, scientists unveil a new take on that technology and report its success. The heaviest elements could ...