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 ...

For now, they’re known by working names, like ununseptium and ununtrium — two of the four new chemical elements whose discovery has been officially verified. The elements with atomic numbers 113, 115, ...

Welcome to the world, elements 113, 115, 117 and 118! Four new elements will join more than a hundred others on the periodic table of the elements, the International Union of Pure and Applied ...

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 reflects ...

The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...

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. By Siobhan Roberts When Sir Martyn Poliakoff, a ...

The UN is marking 2019 as the International Year of the Periodic Table of Chemical Elements. The table itself is widely considered to be one of the greatest scientific achievements in human history.

You probably studied the "regular" periodic table in school—but did you know there are more versions of 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. The ...

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 ...