Aluminium - Periodic Table of Videos
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The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about aluminium (or aluminum), a metal once as precious as gold, now used for wrapping a sandwich.
The thermite reaction is an extremely exothermic red-ox reaction, where aluminium with iron oxide is used as the reducing agent. It is still used to weld rail tracks on-site or to obtain chromium metal from chromium (III) oxide. Can you write the reactions involved in both processes?
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