And with a single announcement, millions of text books around the world have been made incomplete—out of date. This comes as four new elements are added to the periodic table, finally completing the ...

The elements have been approved by the Joint Working Party for the Discovery of New Elements. This scientific body was established in 1999 to review proposals for new elements. A chemical element is a ...

With the addition of four new elements, the seventh row of the periodic table is officially full, the International Union of Pure & Applied Chemistry (IUPAC) announced on Dec. 30. A joint committee ...

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 ...

Sorry, science nerds! That cool period table T-shirt you like to wear is now out of date. Four new elements were officially added to the periodic table late last week ...

Ununtrium, ununpentium, ununseptium and ununoctium are the tentative names for the four newest members of the periodic table of elements. The International Union of Pure and Applied Chemistry (IUPAC), ...

Posters in chemistry labs are in need of an update. The periodic table now has four new elements, completing its seventh row. The International Union of Pure and Applied Chemistry (IUPAC) and the ...