For folks whose last exposure to the periodic table might have been in a college or high school chemistry class, the idea that the order of elements on the periodic table is not an immutable physical ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site, we may ...

Measurements of an artificial radioactive element called lawrencium could revive an arcane controversy over the element’s position in the periodic table — and the structure of the table itself. An ...

In the wee hours of the late 17th century, Isaac Newton could be found locked up in his laboratory prodding the secrets of nature. Giant plumes of green smoke poured from cauldrons of all shapes and ...

First established in 1869, the periodic table quickly took the scientific world by storm as a means of properly organizing elements. Beyond being a helpful learning tool, the periodic table allowed ...

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 ...