Skip to main content

Caesium or Cesium - Periodic Table of Videos

783,078 Views

417 Questions Answered

Best of Web

Let’s Begin…

The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Here are five grams of caesium in water... but did you know caesium is also used to define the length of a second?

Additional Resources for you to Explore

For all the basics about caesium, check out the Visual Elements Periodic Table.
For amazing photos and facts about caesium, check out The Elements by Theodore Gray.
Check out version 1 and version 2 of the Periodic Video's take on caesium or cesium.

Next Section »

About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators

More from Periodic Videos