The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

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 ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site, we may ...

Four new elements have been added to the periodic table, finally rounding out the chemical table’s seventh row, officials said. The International Union of Pure and Applied Chemistry (IUPAC) verified ...

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 ...

Welcome to the world, elements 113, 115, 117 and 118! Four new elements will join more than a hundred others on the periodic table of the elements, the International Union of Pure and Applied ...

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, ...

The iconic chart of elements has served chemistry well for 150 years. But it’s not the only option out there, and scientists are pushing its limits. By Siobhan Roberts When Sir Martyn Poliakoff, a ...