The periodic table of chemical elements hangs in front of chemistry classrooms worldwide and is an icon for science. Yet much was unknown about its history -- until now. The periodic table reflects ...

Welcome to the world, elements 113, 115, 117 and 118! Four new elements will join more than a hundred others on the periodic table of the elements, the International Union of Pure and Applied ...

The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...

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From the burning of wood to the action of medicines, the properties and behavior of matter are governed by the way chemical ...

The periodic table stares down from the walls of just about every chemistry lab. The credit for its creation generally goes to Dimitri Mendeleev, a Russian chemist who in 1869 wrote out the known ...

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 ...

The seventh row of the periodic table is officially full. On December 30, the International Union of Pure and Applied Chemistry announced that a Russian-U.S. collaboration had attained sufficient ...

“In particular, some observed asteroids surpass this mass density threshold. Especially noteworthy is the asteroid 33 ...