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 ...

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 ...

With its array of digits and chemical abbreviations, it appears everywhere, from pencil cases to posters – and even inspired a book of short stories, The Periodic Table by Primo Levi (named by ...

But the periodic table didn’t actually start with Mendeleev. Many had tinkered with arranging the elements. Decades before, chemist John Dalton tried to create a table as well as some rather ...

The periodic table has become an icon of science. Its rows and columns provide a tidy way of showcasing the elements — the ingredients that make up the universe. It seems obvious today, ...

By Siobhan Roberts When Sir Martyn Poliakoff, a chemist at the University of Nottingham, heard about a game called Periodic Table Battleship, he couldn’t help but imagine a player’s perspectiv ...

The orderly periodic table—often printed with just the chemical symbol and atomic weight of its 118 elements—doesn't quite manage to convey to nonscientists the richness of what these substances bring ...

The discovery of “ununseptium” will eventually fill a longtime gap on the periodic table, although that formal change may not happen for years. In June 2009, element 112 was designated as an ...