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 ...

2019 is the International Year of the Periodic Table of Chemical Elements, marking 150 years since Dimitri Mendeleev ordered the elements into a table. Of course, the table and our understanding of ...

To the three requirements of a modern Periodic Table, as stated by A. A. Clifford 1, must be added a fourth, namely, that it should be in as close accord as possible with chemical facts, and above all ...

McGill University provides funding as a member of The Conversation CA. McGill University provides funding as a member of The Conversation CA-FR. The United Nations announced 2019 as the International ...

One hundred fifty years after Russian chemist Dmitri Mendeleev published his system for neatly arranging the elements, the periodic table it gave birth to hangs in every chemistry classroom in the ...

The periodic table merges scientific inquiry, international politics, hero worship, desires for structure and desires for credit. Formally, the modern periodic table is a systematic arrangement of the ...

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 ...

Kelling Donald receives funding from The National Science Foundation, and the Dreyfus Foundation. The periodic table merges scientific inquiry, international politics, hero worship, desires for ...