For the last fifty or so years, the periodic table has been incomplete. Elements after uranium on the periodic table have been synthesized for the past few decades, but there were always a few missing ...

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 ...

It’s now time to say hello, officially, to the four new additions to the Periodic Table of Elements. This week, the International Union of Pure and Applied Chemistry (IUPAC) approved the names of the ...

The seventh period of the periodic chart is now complete, thanks to the addition of four new elements. For now, they're known by working names, like ununseptium and ununtrium — two of the four new ...

This year is the International Year of the Periodic Table of Chemical Elements—and today (March 6), the modern version celebrates its 150 th birthday. To find out more about the table and how new ...

For now, they're known by working names, like ununseptium and ununtrium — two of the four new chemical elements whose discovery has been officially verified. The elements with atomic numbers 113, 115, ...