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birth of Dmitri Mendeleev
he was born in 1834 in seberia,tobolsk -
university
in 1863 Mendeleev was appointed to a professoship and in 1866 he succeeded to the chair in the univerty -
periodic table
he arranged the periodic table be the atomic wave in 1869 -
first periodic table
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 -
new elements
he predicted the existence and properties of new elements and pointed out accepted atomic weights that were in error -
death
