When Mendeleev first published the original periodic table in 1869, it contained only 63 elements — about half as many as there are today. His table had gaps to leave room for elements that had ...

Scientists have discovered a new way of creating superheavy elements by firing supercharged ion beams at dense atoms. The ...

Research on moscovium and nihonium shows they are more reactive than flerovium and subject to notable relativistic effects, ...

Fermium studies indicate nuclear shell effects diminish as nuclear mass increases, emphasizing macroscopic influences in ...

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, first compiled by Russian chemist Dmitri Mendeleyev, is organized by the number of protons in the nucleus of each element's atom, known as the atomic number. The elements are ...

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, ...