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Rhenium - 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 video will be about rhenium, an extremely expensive metal, often used in aircraft engines.

Rhenium is a very dense element, as the professor demonstrated with his balance. It is much denser than iron and even denser than gold. What is the density of rhenium?

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