The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

A computer graphic shows how the collision of calcium ions and berkelium atoms produces atoms of Element 117. (Credit: University of California Television) The scientific body in charge of chemistry’s ...

Still using an old science textbook? It's time to get a new one then, after four new super-heavy elements were added to the periodic table recently. The International Union of Pure and Applied ...

As of 2019, the Periodic Table of the Elements has been around for 150 years. Maybe you've felt a certain chemistry with 2019 but don't know why? Maybe it's because this year marks the 150th ...

Every field of science has its favorite anniversary. For physics, it’s Newton’s Principia of 1687, the book that introduced the laws of motion and gravity. Biology celebrates Darwin’s On the Origin of ...

Sorry, chemistry teachers—your periodic table posters are now obsolete. Groups of scientists in the United States, Russia and Japan had more to celebrate last week ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The periodic table of elements is a familiar sight to anyone who's ever sat in a chemistry ...