Dmitri Ivanovich Mendeleev (1834 - 1907) Russian chemist and inventor. He is best remembered for formulating the Periodic Law and creating a farsighted version of the periodic table of elements. He used the Periodic Law not only to correct the then-accepted properties of some known elements, such as the valence and atomic weight of uranium, but also to predict the properties of eight elements that were yet to be discovered.

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Keywords: 1907, atomic, chemist, chemistry, dmitri, elements, inventor, inventor., ivanovich, law, mendeleev, periodic, russian, scientist, table, valence, weight