Rare Earth Elements

Hank reveals why our love affair with the rare earth elements has a dark side. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow...

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Welcome! You're just in time to learn about lanthanides! [SciShow theme] It's a- it's the periodic table of elements, it's- it's wonderful. You got your noble gases over here, and hydrogen, the building block of everything in the universe over here, you got your alkali metals and gold and other lovely regular metals in the middle here. What is this? What are these elements that aren't.. in.. They're not in the table proper, they're like, in their own table. What makes you guys so special? Those are the lanthanides on top and the actinides on the bottom. And they're down there because they can't be trusted around the other elements! That's not true. They actually could be a part of the table, but if they becam...
Rare Earth Elements
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