During this lesson (C2-1 Development of the Periodic table) GCSE students work through a variety of tasks to develop their understanding of how the periodic table has developed over time. Based on the ...

Identify how early versions of the periodic table were laid out. Describe how Mendeleev left gaps in his periodic table for undiscovered elements. Explain how Mendeleev’s predictions were proved ...

Every field of science has its favorite anniversary. For physics, it’s Newton’s Principia of 1687, the book that introduced the laws of motion and gravity. Biology celebrates Darwin’s On the Origin of ...

Until December 2015, there were holes in the periodic table, elements synthesized but not yet officially recognized. But as we enter the International Year of the Periodic Table, the classic periodic ...

One hundred fifty years after Russian chemist Dmitri Mendeleev published his system for neatly arranging the elements, the periodic table it gave birth to hangs in every chemistry classroom in the ...

The 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 ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Chemistry teachers recently had to update their classroom décor, with the announcement that scientists have confirmed the discovery of four new elements on the periodic table. The as-yet unnamed ...

I suspect that a lot of you readers share with me a lifelong fascination with the Periodic Table of Elements. I'm not sure where I first saw it -- I think maybe it was a poster on the wall of my fifth ...

This lesson utilizes an adaptation of the board game Periodic: A Game of the Elements to help students better understand both general periodic trends and the law of conservation of energy. This ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...