Skip to main content

Thallium - Periodic Table of Videos

212,788 Views

287 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. Poisonous thallium is element number 81 and its chemical symbol is Tl.

What is the product of the reaction between thallium and steam?

Sign in to answer question

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