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he was born in 1834 in seberia,tobolsk
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in 1863 Mendeleev was appointed to a professoship and in 1866 he succeeded to the chair in the univerty
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he arranged the periodic table be the atomic wave in 1869
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his first periodic table was complied in the bosis of arranging the elements in ascending order of atomic weight and grouping them by similarity of properties
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he predicted the existence and properties of new elements and pointed out accepted atomic weights that were in error
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