Mendeleev's Periodic Table Draft Is Virtually Unrecognizable — But It Changed Science Forever
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Back in 1869, the periodic table of elements had just 63 elements and was scribbled in ink.Mendeleev's Periodic Table Draft Is Virtually Unrecognizable — But It Changed Science Forever
Back in 1869, the periodic table of elements had just 63 elements and was scribbled in ink. Read more