The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

UT-Battelle, the managing contractor of ORNL, is donating new charts of the periodic table to public middle and high schools in Tennessee to mark the discovery of the element tennessine.

February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration, the United Nations Educational, Scientific, and Cultural ...