Dmitri Ivanovich Mendeléev, a Russian chemist, who successfully attempted to arrange the elements. Mendeléev arranged the elements based on their (elements) fundamental property, the atomic mass, as well as on the similarity of chemical properties. During the Mendeleev's time, only 63 elements were known.
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Dmitri Ivanovich Mendeléev
Dmitri Ivanovich Mendeléev, a Russian chemist, who successfully attempted to arrange the elements. Mendeléev arranged the elements based on their (elements) fundamental property, the atomic mass, as well as on the similarity of chemical properties. During the Mendeleev's time, only 63 elements were known.