Protactinium - Periodic Table of Videos
Автор: Periodic Videos
Загружено: 2014-09-14
Просмотров: 419458
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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
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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
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