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 ...

" Periodic Table" is a table in which elements, which are basic units constituting substances, are arranged such that their physical or scientific properties are similarly aligned. The periodic table, ...

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 developed ...

But the periodic table didn’t actually start with Mendeleev. Many had tinkered with arranging the elements. Decades before, chemist John Dalton tried to create a table as well as some rather ...

The United Nations has proclaimed 2019 as the International Year of the Periodic Table. The periodic table is more than just a list of known elements, it is a powerful tool that helps scientists ...

Another day, another awesome take on the Periodic Table of Elements. In this one, science communicator and PhD student Jamie Gallagher mapped out where the scientists were living when they made their ...

The periodic table stares down from the walls of just about every chemistry lab. The credit for its creation generally goes to Dimitri Mendeleev, a Russian chemist who in 1869 wrote out the known ...

You'll find it on the wall of nearly every school chemistry laboratory in the land. And generations of children have sung the words, "hydrogen and helium, lithium, beryllium..." in an attempt to ...

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 ...