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Bismuth - 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. Bismuth was thought to be the heaviest element on the periodic table that is not radioactive... but is that still the case?

What is the composition of the oxide of bismuth and other metals called BiSCO or BSCCO that have superconducting properties at temperatures up to -164ºC?

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