Silver - 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 video is on silver, a famous metal used since ancient times to make currency and jewelry.
In the beautiful experiment Pete performed, which was then converted into an amazing time-lapse by Brady, we saw silver crystals precipitated on the surface of copper wire. But why does the solution turn blue?
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TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
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