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

National Periodic Table Day, observed annually on February 7, honors one of the most significant achievements in scientific ...

The periodic table as we know it is widely credited to Dmitri Mendeleev, a Russian chemist who kept reference cards on the elements and their atomic weight. In 1869, he noticed that the elements ...

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 ...

Just four years before Mendeleev announced his periodic table ... and so his mother moved the family 1500 km to St. Petersburg, where she managed to get Dmitri into a “good school“, recognising his ...

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.

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 ...

Among the many pioneering chemists in attendance was one Dmitri Ivanovich Mendeleev. In 1862 ... with the Periodic Law of the elements has been so remarkable that the history of the subject would be ...

Dmitri Alperovitch outs spies for a living. His cybersecurity firm, CrowdStrike, raised its profile last year with its investigation of the massive data breach at the Democratic National Committee ...

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.