Why do the atomic weights on the periodic table keep changing? Kit Chapman meets the team behind the decimal places ...

Key Concepts The periodic table is a chart containing information about the atoms that make up all matter. An element is a substance made up of only one type of atom. The atomic number of an atom is ...

This early periodic table of elements was not perfect. It predicted eight elements that do not exist, for instance. However, to Mendeleev’s credit, he correctly predicted gallium (used ...

Scientists are using AI to build a “periodic table of shapes” filled with Fano varieties—the basic “atomic structure” of geometry.

Students can try playing the Periodic Table Game, Game #2. This is an online version of the periodic table card game from this lesson that you can assign as class work or homework after students have ...

A new version of the periodic table of elements has predicted hundreds of highly charged ions that could be used to create the next generation of optical atomic clocks. The periodic table, first ...

The periodic table currently has 118 chemical elements (SN: 11/30/16). The five heaviest elements were all produced using a beam of calcium-48. That’s a variety, or isotope, of calcium with 28 ...