Protactinium (new) - Periodic Table of Videos
412,516 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.
Alpha particles have a mass of 4 atomic units; they are the nuclei of which element?
Sign in to answer questionAbout 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
