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Rhodium - 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 rhodium, an incredibly rare metal in nature.

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The team have made a video about super-expensive elements.
For all the basics about rhodium, check out the Visual Elements Periodic Table.
For amazing photos and facts about rhodium, check out The Elements by Theodore Gray.
When rhodium is heated up to its melting point, it absorbs oxygen from the atmosphere. It does not turn into one of its oxides; but rather, as it solidifies, it releases the oxygen again.
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Can you think of other reasons for the high price of some elements and their compounds?
09/23/2014 • 
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