The Lost Elements: The Periodic Tables Shadow Side

Hardcover | October 15, 2014

byMarco Fontani, Mariagrazia Costa, Mary Virginia Orna

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In the mid-nineteenth century, chemists came to the conclusion that elements should be organized by their atomic weights. However, the atomic weights of various elements were calculated erroneously, and chemists also observed some anomalies in the properties of other elements. Over time, itbecame clear that the periodic table as currently comprised contained gaps, missing elements that had yet to be discovered. A rush to discover these missing pieces followed, and a seemingly endless amount of elemental discoveries were proclaimed and brought into laboratories. It wasn't until thediscovery of the atomic number in 1913 that chemists were able to begin making sense of what did and what did not belong on the periodic table, but even then, the discovery of radioactivity convoluted the definition of an element further. Throughout its formation, the periodic table has seen falseentries, good-faith errors, retractions, and dead ends; in fact, there have been more elemental "discoveries" that have proven false than there are current elements on the table.The Lost Elements: The Shadow Side of Discovery collects the most notable of these instances, stretching from the nineteenth century to the present. The book tells the story of how scientists have come to understand elements, by discussing the failed theories and false discoveries that shaped thepath of scientific progress. Chapters range from early chemists' stubborn refusal to disregard alchemy as legitimate practice, to the effects of the atomic number on discovery, to the switch in influence from chemists to physicists, as elements began to be artificially created in the twentiethcentury. Along the way, Fontani, Costa, and Orna introduce us to the key figures in the development of the periodic table as we know it. And we learn, in the end, that this development was shaped by errors and gaffs as much as by correct assumptions and scientific conclusions.

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In the mid-nineteenth century, chemists came to the conclusion that elements should be organized by their atomic weights. However, the atomic weights of various elements were calculated erroneously, and chemists also observed some anomalies in the properties of other elements. Over time, itbecame clear that the periodic table as curren...

Marco Fontani and Mariagrazia Costa both are affiliated with the Department of Chemistry at the University of Florence. Mary Virginia Orna is affiliated with the Department of Chemistry at the College of New Rochelle.

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Format:HardcoverDimensions:496 pages, 9.25 × 6.12 × 0.98 inPublished:October 15, 2014Publisher:Oxford University PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0199383340

ISBN - 13:9780199383344

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Table of Contents

Part I. Before 1789: Early Errors and Early ElementsPart II. 1789-1869: From Lavoisier to Mendeleev: The First Errors at the Dawn of ConceptPart III. 1869-1914: From the Periodic Table to Moseley's Revolution: Rips and Tears in Medeleev's NetPart IV. 1914-1939: From Nuclear Classification to the First Accelerators: Chemists' Paradise Lost...(and Physicists' Paradise Regained)Part V. 1939 to the Present. Beyond Uranium, to the StarsPart VI. No Place for Them in the Periodic Table: Bizarre ElementsPart VII. Modern Alchemy: The Dream to Transmute the Elements Has Always Been with Us