At a Scottish university, the oldest periodic table of elements was unearthed, dating back just a few years after the concept ...

On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table. He ...

The periodic table of elements, or Mendeleev’s table, was created in 1869 by Russian chemist Dmitri Mendeleev. This table organizes all known chemical elements by their atomic number, or the number of ...

A century and a half ago, a Russian chemistry professor published a classification of all the known elements, organized by atomic weight. Today, the system that he created for his students — plus some ...

How Sanskrit Influenced the Periodic Table | RealClearScienceDmitri Ivanovich Mendeleev was not the first to recognize the periodicity of the chemical elements or even to construct a primitive ...

At the middle of the 19th century, 63 chemical elements were known to science. Before Mendeleev’s discovery, attempts at arranging them in some logical way were made by Johann Doebereiner (1829), ...

This is a story about gallium’s discovery and how it played a part in the acceptance of the then newly invented periodic table. Gallium was discovered by French chemist Paul-Emile Lecoq de Boisbaudran ...