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Technically, Ruthenium is a platinum group element, not a "rare earth" element, though it is rare. https://en.wikipedia.org/wiki/Ruthenium https://en.wikipedia
by joe_the_user 5y ago
Technically, Ruthenium is a platinum group element, not a "rare earth" element, though it is rare.
https://en.wikipedia.org/wiki/Ruthenium https://en.wikipedia.org/wiki/Ruthenium
- inter_netuser 5y agoOn this, supposedly STEM-oriented forum, such a grave violation of chemistry nomenclature should be a bannable offence. I've lost count of how many times everything is "rare earth", including Magnesium. An alkaline earth metal that's nearly as common as iron.