Europium - 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. Europium is element number 63 on the periodic table.
Which mineral, discovered in the English midlands of Derbyshire, is a special form of calcium fluorite? This special form of calcium fluorite contains trace amounts of europium, which gives it the property to emit blue light when exposed to UV light.
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