Add Yahoo as a preferred source to see more of our stories on Google. The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. This year is the International Year of the Periodic Table of Chemical ...

In a significant breakthrough for the scientific community, a new element has been confirmed on the periodic table. This discovery holds potential implications for a wide range of scientific fields, ...

The Periodic Table is a thing of beauty, but it can also feel pretty mysterious, especially if the last time you studied it was back in grade school. Now is a great time to get reacquainted. The ...

Meet nihonium (Nh), moscovium (Mc), tennessine (Ts) and oganesson (Og), the newest elements on the periodic table to receive names. But don’t get too attached to the nomenclature for these elements, ...

Four new elements now have names. In December, the International Union of Pure and Applied Chemistry officially recognized the discovery of elements 113, 115, 117 and 118, filling out the seventh row ...

Until December 2015, there were holes in the periodic table, elements synthesized but not yet officially recognized. But as we enter the International Year of the Periodic Table, the classic periodic ...