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Selenium - 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 selenium -- element number 34 and you can find it below sulfur on the periodic table.

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Berzelius Day - Periodic Table of Videos
For all the basics about selenium, check out Visual Elements Periodic Table.
For some really cool photos and facts about selenium, check out The Elements by Theodore Gray.
Selenium was discovered in 1817 by Jöns Jacob Berzelius. Due to its similarity to tellurium, which was named after the Earth, Berzelius named the new element after the moon.
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Do you know of other elements, or their compounds, that have a characteristic smell?
09/10/2014 • 
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