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 ...

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.

Those born on this date are under the sign of Aquarius. They include: -- Civil War-era U.S. Gen. William Tecumseh Sherman in ...

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.

The seventh row of the table was completed in 2016 when Tennessine, Nihonium, Moscovium, and Oganesson were added. Elements ...

Mendeleev did not have the easiest of starts in life. He was born at Tobolsk in 1834, the youngest child of a large Siberian family. His father died while he was young, and so his mother moved the ...