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.
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1 Open Discussion …And Finally
In the 19th and early 20th century, people had to frequently clean items made from silver because they quickly turned black. Why does silver need cleaning less often today?
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