Add Yahoo as a preferred source to see more of our stories on Google. The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements.

Elements 113, 115, 117 and 118 to be named by scientists from Russia, the United States and Japan. TREND WATCH: Four new elements have been officially added to the periodic table, completing its ...

Largely unnoticed in the corners of countless classrooms around the world hangs the singular achievement of a Siberian-born scientist and the founding document of modern chemistry. And, this year, it ...

BERLIN—A new, superheavy chemical element numbered 112 will soon be officially included in the periodic table, German researchers said. A team in the southwest German city of Darmstadt first produced ...

What happens when an element refuses to behave the way scientists expect it to? The periodic table is more than a chart of ...

In the 1860s, the chemists, Lothar Meyer and Dmitri Mendeleev, independently presented the first periodic system. Since then, the well-known tabular arrangement of the elements has been the guiding ...

The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...

Chemistry textbooks as we know it are officially out of date, as four new elements will soon be added to the periodic table. Elements 113, 115, 117 and 118 have formally been recognized by the ...

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 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 ...