Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site, we ...

Show students that you have 80 cards (4 for each of the first 20 elements). Before distributing the cards, explain that each card contains information about electrons and energy levels for the first ...

The find secured not only the periodic table’s legacy but also the future of chemistry. Hafnium also came to represent a hard-won victory against those determined to undermine evidence-based ...

The periodic table is like a map that organizes elements based on their atomic structure and properties. It helps scientists and students study and understand the vast variety of elements and how ...

The first version of Mendeleev’s periodic table, published in 1869, was reportedly completed in just one day. Historians have pieced together what happened during that day.

A new version of the periodic table of elements has predicted hundreds of highly charged ions that could be used to create the next generation of optical atomic clocks. The periodic table ...

Read below to find out. The credit for creating the modern periodic table goes to Dmitri Mendeleev, a Russian chemist, in 1869. While several scientists before him had attempted to classify ...

Periodic Table by Revolution Software is an interactive ... and click on the links provided in the app for further reading. Related read: Chem4Word is a Chemistry Add-in for Microsoft Word.

For years, there had been a single square in the seventh row of the periodic table of elements that scientists struggled to fill. No element with the precise chemical and physical properties to ...