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Arsenic - 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 arsenic -- element number 33 and is famous for the toxicity of its compounds.

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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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Additional Resources for you to Explore
Periodic Videos discuss the recent news that supposedly deadly arsenic could be a "replacement building block" for life.
For all the basics about arsenic, check out Visual Elements Periodic Table.
For amazing facts and photos about arsenic, check out The Elements by Theodore Gray.
As we can see in the Periodic Video “Arsenic Life”, in 2010 the scientific community were very excited about a new discovery that suggested some bacteria from Mono Lake in California could substitute phosphorus in their DNA with arsenic. It has since been shown to be untrue.
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Do you know of other compounds or elements used as a poison in historically famous murders?
09/09/2014 • 
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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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