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 ...

<p> The Quick Periodic Table of the Elements app gives users a slightly different take on the periodic table. Instead of just presenting a single version that&rsquo;s color-coded the traditional ...

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 ...

Elements with atomic numbers 113, 115, 117, and 118, have been added to the periodic table, according to the International Union of Pure and Applied Chemistry (IUPAC).

The periodic table of chemical elements hangs in front of chemistry classrooms worldwide and is an icon for science. Yet much was unknown about its history -- until now. The periodic table ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. This is ...

It's time to replace your periodic table again: four new elements have been added to the tail end of the familiar chart.

Kids have to memorize four new elements, now that the powers that be in the world of chemistry have expanded the periodic table. The International Union of Pure and Applied Chemistry has accepted the ...

A century ago, the discovery of hafnium confirmed the validity of the periodic table — but only thanks to scientists who stood up for evidence at a time of global turmoil.