New experimental facilities are being built to help scientists to uncover properties of atoms and their nuclei in a regime of very large numbers ... borders of the Periodic Table of the Elements ...

National Periodic Table Day, observed annually on February 7, honors one of the most significant achievements in scientific ...

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 ...

but there were always a few missing blocks in the periodic table. These elements, with atomic numbers of 113, 115, 117, and 118 comprise the missing parts of period 7 – the lowest row – of the ...

In this activity, students will use the online periodic table, ptable.com, to investigate a number of chemistry concepts. Students will use this online resource to explore information about the ...