I went to my rest a sober man, content with the stable progression of elements I found to be more reliable than any prayer. Sleep came easily. I went deep, then deeper, until in a single instant I ...

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.

"It also commemorates the remarkable scientific heritage of D. I. Mendeleev, father of the Periodic Table, who's work played a fundamental role in the future of chemistry, physics, biology ...

This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

A Russian scientist called Dmitri Mendeleev produced one of the first practical periodic tables in the nineteenth century. The modern periodic table is based closely on the ideas he used.

A Russian scientist called Dmitri Mendeleev produced one of the first practical periodic tables in the nineteenth century. The modern periodic table is based closely on the ideas he used.