subtext comments on xkcd #2913: Periodic Table Regions

[–] subtext@lemmy.world 17 points 2 years ago (1 child)

is only one of two radioactive elements that proceed non radioactive elements

… what’s the other one??

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[–] Everythingispenguins@lemmy.world 32 points 2 years ago (1 child)

Promethium #61 it is so rare that it really has no practical uses outside the lab. There is most likely less than a kilogram of the stuff in the entire planet.

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[–] WhiskyTangoFoxtrot@lemmy.world 12 points 2 years ago

And Kingpin stole it.

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lemmy:	0.19.20
mlmym (mschae):	26.3.4