Julius Lothar (von) Meyer (1830-1895) and the Periodic System
Юлиус Лотар (фон) Мейер (1830–1895) и периодическая система
2019-12-06
SCID: 54.1/4j6pjhsj
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Atomic weightsClassification of chemical elementsLothar MeyerPeriodic arrangement of elementsPeriodic system of elements
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Abstract (AI)
The logo of the “International Year of the Periodic Table of Chemical Elements” (IYPT) shows only Dmitri I. Mendeleev (1834-1907) and none of the other scholars who were closely related with the discovery of the classification of elements. As early as 1864 the German physical chemist Lothar Meyer used a table to explain the “peculiar regularities” that were found among the atomic weights; by the end of that decade he had considered more elements and improved the system. Among other discoverers of the periodicity, Meyer and his colleague Karl Seubert (1851-1942) determined and recalculated atomic weights. This essay depicts the biography of Lothar Meyer and evaluates his contributions to the development of a classifi-cation system for chemical elements in several steps, to the periodic arrangement of elements. Finally, Meyer's opinion of the use of the periodic tables in teaching and organizing the material in courses on inorganic chemistry is presented.
Key Findings
1
By the late 1860s, Meyer had expanded the number of elements considered and improved his classification system.
2
Lothar Meyer used a table in 1864 to represent recurring regularities among chemical elements’ atomic weights.
3
Meyer also addressed the use of periodic tables for teaching and organizing inorganic chemistry courses.
4
Meyer and Karl Seubert contributed to periodicity research by determining and recalculating atomic weights.
5
Meyer’s work advanced the development of element-classification systems toward a periodic arrangement of the elements.
Research Object
Lothar Meyer's classification and periodic arrangement system for chemical elements
Research Subject
Lothar Meyer's contributions to developing the periodic system, including the use of atomic weights and the application of periodic tables in inorganic chemistry education
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2019-12-06
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