Is It Time to Upend the Periodic Table? The iconic chart of elements has served chemistry well for 150 years. But it’s not the only option out there, and scientists are pushing its limits.

Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

What sets Gray and his element fixation apart is his periodic table table —a wooden coffee table that not only is in the shape of a periodic table, but actually contains elements.

The discovery of element 117 filled the last remaining gap in the periodic table as we know it. But even as it is being completed, the table may be losing its power ...

Students will be able to interpret the information given in the periodic table to describe the arrangement of electrons on the energy levels around an atom.

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue explores how the periodic table of elements took shape. Learn how the periodic table ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications.

The periodic table of the elements isn't as confusing as it looks. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

MIT researchers have created a periodic table that orders AI algorithms based on the properties they share with a mathematical framework known as information contrastive learning (I-Con).

To expand the periodic table, it might be time to go titanium. A new study lays the groundwork to expand the periodic table with a search for element 120, to be made by slamming electrically ...

The periodic table orders all the elements in neat rows and columns as a guide to their properties and atomic structures. Atomic structure, in fact, explains why the periodic table works, but this ...

3rd Period: Sodium to argon—Electrons go into the third energy level. After the third energy level has 8 electrons, the next electron goes into the fourth level.