As promised, following from our previous video: https://www.youtube.com/watch?v=4WOKQMOyYoU More links and info in full description ↓↓↓ Aqua Regia: https://www.youtube.com/watch?v=iwnKU89CCdI Acid videos: https://bit.ly/Acid_PV Videos on all 118 elements: http://bit.ly/118elements Support us on Patreon: https://www.patreon.com/periodicvideos 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 This episode was also generously supported by The Gatsby Charitable Foundation Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/ Brady's Blog: http://www.bradyharanblog.com/ Join Brady's mailing list for updates and extra stuff --- http://eepurl.com/YdjL9