Four new chemical elements, discovered by scientists from Japan, Russia and the US, are the missing jigsaw pieces needed to complete the seventh row of the iconic periodic table.

Permalink. I agree with Bill’s criticism on the lack of use of the columns, which is critical in the periodic table. That said, the writerly devices are in some quasi order.

1 You may remember the Periodic Table of the Elements as a dreary chart on your classroom wall.If so, you never guessed its real purpose: It’s a giant cheat sheet. 2 The table has served chemistry students since 1869, when it was created by Dmitry Mendeleyev, a cranky professor at the University of St. Petersburg.

Cobalt is more than a shade of blue: The chemical element is widely used in lithium-ion batteries. So widely, in fact, that more than half of the world’s supply gets consumed by …

Glossary. Group A vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell.

Professor Jennifer Johnson, an astronomer at The Ohio State University, has re-created a periodic table color-coded with the cosmic origins of all the elements.

The Chemistry Division’s Periodic Table describes the history, properties, resources, uses, isotopes, forms, costs, and other information for each element.

Background The cryopyrin-associated periodic syndrome (CAPS) is a rare inherited inflammatory disease associated with overproduction of interleukin-1. Canakinumab is a human anti–interleukin-1β monoclonal antibody.

Where Does the Periodic Table End? Scientists keep finding new pure units of matter — but it’s getting ever harder.

Explore this collection of videos on each element in the periodic table. Featuring Murray Robertson’s Visual Elements annimated artwork and videos from the University of Nottingham’s Periodic Table of Videos.