jacobbrandon2002 jacobbrandon2002

23-01-2019
Biology

contestada

Am entire group of elements was unkiown when the periodic table was first developed because they were unreactive and no knoun compounds were composed of them What most lkely led to the incusion of these elements in the periodic table?

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McWolf33 McWolf33

23-01-2019

They probably got the new technology to discover these elements and also did more experiments

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