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The first of the transfermium elements—those elements with an atomic number greater than 100—were discovered in the 1950s, largely by the Lawrence Berkeley Laboratory (LBL) in California and the Joint Institute for Nuclear Research (JINR) in Dubna, Russia. After each new element was claimed to have been discovered by one lab, the claim was contested by the other. The International Union of Pure and...
It is fairly well‐known that both Dmitri Mendeleev (1834–1907) and Lothar Meyer (1830–1895) were in the process of writing textbooks when they realized that the connection between the atomic weights of elements and their properties could lead to a classification system that encompassed all of the elements. However, little has been written about the role of chemical pedagogy in the development of the...
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