Fun Facts and Trivia About The Chemical Element Promethium

Promethium is among the rarest elements that can be considered naturally occurring on Earth, though in practice it exists in the planet’s crust in amounts too small to detect or measure. Every one of its isotopes is radioactive, and all of them decay on timescales that are brief by geological standards, which is why the… Read More The post Fun Facts and Trivia About The Chemical Element Promethium…