Dmitri Mendeleev

Dmitri Mendeleev was born in 1834 in the small town of Tobolsk, Siberia. Mendeleev studied at the University of St. Petersburg and graduated in 1856. In 1863 he was appointed as a professor and in 1866 he succeeded to Chair of the University. After long studies,  In 1868 Mendeleev achieved and developed the periodic law. At the same time he set out to develop the "Principles of Chemistry" book and later achieved the creation of the it. In 1890, he resigned as a professor and in 1893 he became official director of the bureau of weights and measures at St. Petersburg. Where he remained until his death in 1907.

  • With the discovery of  the periodic law a need was met to organize the findings of every element.
  • Certain similarities within these elements, their compounds and the reactions they created made the scientists arrange them according into their groups.
  • Besides the fact that many new discoveries were made for the Periodic Table, Mendeleev will always be credited for the original work of the Periodical law and table.
  • Initially the  known elements were divided into just metals and non metals. With further development, division took place and inert gases were classified into a different group.
  • Mendeleev's  law states that the properties of elements are functions of their atomic masses
  • Mendeleev's original work arranged the 63 know elements at the time into a period table based off of the elements atomic mass
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