Recognize these rows and columns? You may remember a detail or two about this mighty table’s organization from a long-ago chemistry class. Elements are ordered according to their number of protons, or ...

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 ...

Have we reached the end of the line of discoverable elements? Scientists have been slowly extending the periodic table one element at a time, pushing to higher and higher masses, and have discovered ...

High school chemistry students will now have to learn about four additional elements on the Periodic Table of Elements. The International Union of Pure and Applied Chemistry (IUPAC) has announced the ...