Quien fue dmitri mendeleev biography
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BIBLIOGRAPHIC REFERENCES
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Biograficheskiy slovar' professorov i prepodavateley S.-Peterburgskogo universiteta za istekshuyu tret'yu chetvert' veka yego sushchestvovaniya. 1869-1894. T. 2. (1898). (Biographical Dictionary after everything else Professors gain Teachers endowment St. Siege University Transmission the Root for Third Fourth of a Century bad deal its Fact. 1869-1894. T. 2). Sankt-Peterburg. p. 147. Retrieved strip http://elib.shpl.ru/ru/nodes/8722-sankt-peterburgskiy-gosudarstvennyy-universitet-biograficheskiy-slovar-professorov-i-prepodavateley-s-peterburgskogo-universiteta-za-istekshuyu-tretyu-chetvert-veka-ego-suschestvovaniya-1869-1894-v-2-h-t-t-2-m-ya-spb-1898#mode/inspect/page/157/zoom/4 [ Links ]
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Lothar Meyer
German physician and chemist (1830–1895)
For the German footballer, see Lothar Meyer (footballer).
Julius Lothar Meyer (19 August 1830 – 11 April 1895) was a German chemist. He was one of the pioneers in developing the earliest versions of the periodic table of the chemical elements. The Russian chemist Dmitri Mendeleev (his chief rival) and he had both worked with Robert Bunsen. Meyer never used his first given name and was known throughout his life simply as Lothar Meyer.
Career
[edit]Meyer was born in Varel, Germany (then part of the Duchy of Oldenburg). He was the son of Friedrich August Meyer, a physician, and Anna Biermann. After attending the Altes Gymnasium in Oldenburg, he studied medicine at the University of Zurich in 1851. Two years later, he studied pathology at the University of Würzburg as a student of Rudolf Virchow. At Zurich, he had studied under Carl Ludwig, which had prompted him to devote his attention to physiological chemistry. After graduating as a Doctor of Medicine from Würzburg in 1854, he went to Heidelberg University, where Robert Bunsen held the chair of chemistry. In 1858, he received a Ph.D. in chemistry from the University of Breslau with a thesis on the effects of carbon monoxide on the blood. With this interest in the
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How exactly did Mendeleev discover his periodic table of 1869?
I just returned home from being interviewed for a new public television program on the mystery of matter and the search for the elements. It was very gratifying to see how keen the film-makers were on understanding precisely how Mendeleev arrived at his famous first periodic table of 1869. This in turn meant that I had to thoroughly review the literature on this particular historical episode, which will form the basis of this blog.
The usual version of how Mendeleev arrived at his discovery goes something like this. While in the process of writing his textbook, The Principles of Chemistry, Mendeleev completed the book by dealing with only eight of the then known sixty-three elements. He ended the book with the halogens, including chlorine, bromine and iodine. On moving on to the second volume he realized that he needed an organizing principle for all the remaining elements. Before arriving at any new ordering principle he started volume 2 by discussing another well-known group of elements, the alkali metals that include lithium, sodium and potassium.
Mendeleev then wondered what elements should be mentioned next and toyed with the idea of turning either to the alkaline earth metals like calcium, barium a