Today, the periodic table is organized by atomic number, which is the number of protons in the nucleus. But they didn’t know about protons then, so they organized everything by atomic weight.

In the late 1920s, Janet turned his perceptive powers to the chemical elements. He designed various new versions of the periodic table. Unlike most other tables constructed before then, his ...

Of course, that hasn’t stopped the table from being reimagined many times. Most recently, designer Alison Haigh created this minimalist periodic table, built less for understanding the nature of ...

Free interactive and download to print GCSE Chemistry flashcards to help prepare for your GCSE exams. Revise topics such as atoms, elements and compounds, mixtures, atomic structure, Mendeleev's ...

Physicists have filled in some longtime blank spaces on the periodic table, calculating electron affinities of the lanthanides, a series of 15 elements known as rare earths.

There are 118 elements on the periodic table and 3-year-old Brielle can name them all. She recently appeared on The Ellen DeGeneres Show, and not only does she know the name of every single ...

You wouldn’t know it, because it’s hiding down there at the bottom of the periodic table of elements, but it’s a prank—something a five-year-old might do—and the guy who did it was one ...

Happy Birthday, science. The periodic table of elements turns 150 years old this year, and chemists and physicists everywhere are partying like it’s 1999.

Chemistry boffins at the University of Kentucky have created The Periodic Table of Comic Books – a website mapping every mention of an element in a comic story. It’s had more than 6 million hits.

BURBANK, Calif. — A three-year-old girl is inspiring others with her surprising ability to remember complex information Brielle, an adorable 3-year-old girl from Salinas, Calif., went on &#82… ...

You wouldn’t know it, because it’s hiding down there at the bottom of the periodic table of elements, but it’s a prank—something a five-year-old might do—and the guy who did it was one of the greatest ...