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How One Scientist Dreamt Up the Periodic Table
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Key Facts In This Video
Mendeleev was so sure of the predictions in his periodic table, that when a French scientist's discovery of one of these elements didn't match his data, Mendeleev said he was wrong—and he did end up being wrong. 02:40
Today's periodic table is grouped into alkali metals, alkaline earth metals; transition metals; halogens; metals, metalloids, gases, and nonmetals; lanthanides; actinides; and noble gases. 05:05
Other scientists were trying to discover the same thing, but a few things set Mendeleev apart: he was obsessive, and he realized that the periodicity of elements had far-reaching consequences. 07:22