Create and share a new lesson based on this one.

About TED-Ed Selects

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

Meet The Creators

Share

Additional Resources for you to Explore
For all the basics about thallium, check out the Visual Elements Periodic Table.
For amazing photos and facts about thallium, check out The Elements by Theodore Gray.
Agatha Christie’s 1961 detective story, “The Pale Horse”, describes the symptoms of thallium poisoning.