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.

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 organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...

Among the many pioneering chemists in attendance was one Dmitri Ivanovich Mendeleev. In 1862, French geologist Alexandre-Emile Beguyer de Chancourtois developed the 'telluric screw' – a ...

And even though there are other scientists who made contributions, it is Russian chemist and inventor Dmitri Mendeleev’s name that is always at the forefront. Mendeleev was the youngest of ...