The periodic table of chemical elements hangs in front of chemistry classrooms worldwide and is an icon for science. Yet much was unknown about its history -- until now. The periodic table ...

A new version of the periodic table arranges elements by protons instead of electrons. ... and so forth. Overall, the numbers representing full-up electron shells are 2, 10, 18, 36, ...

Periodic Table of the Elements of Social Media E-marketing Associates produced this table, without much rhetoric or explanation, but you can explore the full picture in large format here .

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue explores how the periodic table of elements took shape. . Learn how the periodic table ...

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 ...

A new version of the periodic table of elements has predicted hundreds of highly charged ions that could be used to create the next generation of optical atomic clocks. The periodic table, first ...

Many scientists worked on the problem of organizing the elements, but Dmitri Mendeleev published his first version of the periodic table in 1869, and is most often credited as its inventor. Since then ...