Protactinium - Periodic Table of Videos

Here's a new video about Protactinium, number 91 on the periodic table!
Videos on all 118 elements: http://bit.ly/118elements

Eric Scerri's book (UK): http://bit.ly/SevenScerriUK
And (US): http://bit.ly/SevenScerriUS

(*)
Isotope 238 has half life 6.8 hrs
Isotope 238m has half life 1.17 mins

More chemistry at http://www.periodicvideos.com/
Follow us on Facebook at http://www.facebook.com/periodicvideos
And on Twitter at http://twitter.com/periodicvideos
From the School of Chemistry at The University of Nottingham: http://bit.ly/NottChem

Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/

A run-down of Brady's channels: http://bit.ly/bradychannels

Видео Protactinium - Periodic Table of Videos канала Periodic Videos