Periods and families in the periodic table are described. Organization of the Periodic Table: Periods and families in the periodic table are described. Students learn to determine the number of ...

T he 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 ...

The periodic table is a fundamental part of understanding chemistry. Elements define our universe: they are the components and foundation of the substances that we interact with every day.

All good geeks are aware of the proliferation of period tables on the internet. We at GeekDad particularly like the edible ones. Well, over at keaggy.com they have put together a periodic table to ...

January 4, 2016 / 3:53 PM EST / CBS News High school chemistry students will now have to learn about four additional elements on the Periodic Table of Elements.

Once categorized in a periodic table defined by a shape’s unique quantum period, gaps could help tell mathematicians where new shapes could be discovered (much like what the periodic table does ...

Is It Time to Upend the Periodic Table? 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.