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Not Right For WatchKnowLearn
Ages: 16 - 18
289 Views:
Chemistry of Calcium
From periodicvideos.com, produced by Brady Haran
Calcium is very important in our biology. The professors at the University of Nottingham discuss how calcium shows up in different things, both living and nonliving (08:56).
August 29, 2012 at 10:04 PM
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Not Right For WatchKnowLearn
Ages: 16 - 18
253 Views:
Reactions of sodium and Potassium with Water
From YouTube, produced by Bob Burk
A chemical demonstration of the reaction between sodium and water and between potassium and water. Great demonstratino for discussing periodic trends and reactivity (07:23).
September 5, 2012 at 07:41 PM
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