Many scientists worked on the problem of organizing the elements, but Dmitri Mendeleev published his first version of the periodic table in 1869, and is most often credited as its inventor. Since then ...
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Periodic table, evolution, and more: Most important scientific breakthroughs unveiledDmitri Mendeleev made order out of chaos when he introduced his periodic table in 1869 ... microbiologist stumbled upon one of history’s most transformative findings when he returned from ...
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