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 ...

The periodic table of elements (often known simply as the periodic table) has been helping scientists with their work for a little over 150 years. The handy visual reference guide organizes known ...

Meyer's roots, however, were firmly in Germany. Meyer was just four years older than Mendeleev, and produced several Periodic Tables between 1864-1870. His first table contained just 28 elements, ...

Dmitri Mendeleev, who arranged the first version of our current table, predicted the existence and properties of undiscovered elements that would fill the open spaces in his table. Learn more about ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

After a breakdown in US-Russia relations, Riken finds itself ahead of its rivals. And Lawrence Berkeley National Laboratory ...

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract electrons towards itself within a chemical bond. This vital theoretical ...