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Scientists Discovered Promethium in 1945. They Only Just Learned What It Actually Does.
One such element is Promethium, and a new study from scientists at Oak Ridge National Laboratory has successfully analyzed chemical properties of the rare earth metal some 80 years after its ...
New Scientist on MSN8mon
Mysterious element promethium finally reveals its chemical properties
A new compound containing one of the rarest elements in the world, promethium, has revealed its mysterious properties for the ...