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 ...

Keith Enevoldsen // CC BY-SA 4.0 Enevoldsen’s table can also be used to study other facts, like each element’s atomic number and material state (solid, liquid, or gas).

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 ...

Why do the atomic weights on the periodic table keep changing? Kit Chapman meets the team behind the decimal places ...

Within these different table views, users can select an element and scroll through four information tabs that correspond to an element’s chemical, atomic, mechanical, and physical properties.

Elements with atomic numbers 113, 115, 117, and 118, have been added to the periodic table, according to the International Union of Pure and Applied Chemistry (IUPAC).

Time to re-write the textbooks. The International Union of Pure and Applied Chemistry (IUPAC) has confirmed the existence of four new elements with the atomic numbers 113, 115, 117, and 118.