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Rubidium – 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 rubidium. Take this lesson to see it dropped in water! Yet another experiment in our "small metallic collider" (aka, the anti-climax machine). We suspect this is the last time you will see it in action.

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Additional Resources for you to Explore
This cool video is a slow motion capture of rubidium, water, and indicator.
For all the basics about rubidium, check out the Visual Elements Periodic Table.
For awesome photos and facts about rubidium, check out The Elements by Theodore Gray.
A curious property of rubidium-silver iodide (RbAg4I5) is that, unlike most alkali metal salts, this solid is highly conducting. Indeed, it has the capacity to conduct electricity like some electrolyte solutions.
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What do you consider to be the differences between chemistry and physics? Which subject do you prefer to study and why?
10/04/2013 • 
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