Protactinium (new) - Periodic Table of Videos
413,140 Views
196 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. Protactinium is element number 91 on the periodic table.
Mendeleev predicted the existence of more elements than were actually found. Some of his predictions were wrong, but usually we celebrate his successes and ignore the failures because the prediction was a real intellectual triumph that laid the foundations of modern chemistry.
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
- Video created by Periodic Videos
- Lesson Plan created by Periodic Videos
