Plutonium - Periodic Table of Videos
The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about plutonium.
Additional Resources for you to Explore
Plutonium-238 has a half-life of 88 years and is used as a heat source in radioisotope thermoelectric generators, which are used to power some spacecraft.
Why do you think these two radioactive elements are so well-known and are, perhaps, two of the most famous in the periodic table?