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Chlorine - 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 chlorine - element number 17, an extremely reactive and dangerous gas, which was used as a weapon in World War I.

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Additional Resources for you to Explore
Chlorine gas and aluminium (reaction only)
For all the basics about chlorine, check out Visual Elements Periodic Table.
For everything you'd ever want to know about chlorine, check out The Elements by Theodore Gray.

Chlorine is found in many common products: Sodium chloride is the salt we use to cook; bleach is a solution of sodium hypochlorite (NaClO); the main components of gastric acid are hydrochloride acid (HCl) and the salts, NaCl and KCl.
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Do you know more salts that we can find at home?
09/19/2013 • 
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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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