« Return to AACT homepage

AACT Member-Only Content

You have to be an AACT member to access this content, but good news: anyone can join!


Have a student passcode? Enter it below to access our videos, animations, and ChemMatters Issues.


Need Help?

History of the Periodic Table Video Mark as Favorite (110 Favorites)

VIDEO in Atomic Mass, Subatomic Particles, Founders of Chemistry. Last updated March 25, 2020.


In this video, Sam Kean tells the story of the development of the periodic table. He also pays tribute to each of the major scientific contributors, including Dimitri Mendeleev, who made great discoveries through their efforts to best organize the elements.