But the periodic table didn’t actually start with Mendeleev. Many had tinkered with arranging the elements. Decades before, chemist John Dalton tried to create a table as well as some rather ...

The iconic chart of elements has served chemistry well for 150 years. But it’s not the only option out there, and scientists are pushing its limits. By Siobhan Roberts When Sir Martyn Poliakoff, a ...

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 ...

If you ever want to open a chemistry theme restaurant, you should be sure to furnish it with 118 tables — one for each element. Note that it could not be a Greek restaurant, because then the number of ...

First established in 1869, the periodic table quickly took the scientific world by storm as a means of properly organizing elements. Beyond being a helpful learning tool, the periodic table allowed ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. The ...

Time for a science refresher course? One in 5 Americans can't name a single element on the Periodic Table. Most Americans surveyed (59 percent) couldn't name more than 10 elements of the 118 that ...