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Author: W. F. Peed
Publisher:
ISBN:
Category : Technetium
Languages : en
Pages : 20
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Author: W. F. Peed
Publisher:
ISBN:
Category : Technetium
Languages : en
Pages : 20
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Book Description
Author: D. L. Timma
Publisher:
ISBN:
Category : Promethium
Languages : en
Pages : 14
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Book Description
Author: G. W. Parker
Publisher:
ISBN:
Category : Nuclear fission
Languages : en
Pages : 20
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Book Description
Author: Eric Scerri
Publisher: Oxford University Press
ISBN: 0190914386
Category : Science
Languages : en
Pages : 416
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Book Description
The periodic table of elements is among the most recognizable image in science. It lies at the core of chemistry and embodies the most fundamental principles of science. In this new edition, Eric Scerri offers readers a complete and updated history and philosophy of the periodic table. Written in a lively style to appeal to experts and interested lay-persons alike, The Periodic Table: Its Story and Its Significance begins with an overview of the importance of the periodic table and the manner in which the term "element" has been interpreted by chemists and philosophers across time. The book traces the evolution and development of the periodic table from its early beginnings with the work of the precursors like De Chancourtois, Newlands and Meyer to Mendeleev's 1869 first published table and beyond. Several chapters are devoted to developments in 20th century physics, especially quantum mechanics and and the extent to which they explain the periodic table in a more fundamental way. Other chapters examine the formation of the elements, nuclear structure, the discovery of the last seven infra-uranium elements, and the synthesis of trans-uranium elements. Finally, the book considers the many different ways of representing the periodic system and the quest for an optimal arrangement.
Author:
Publisher:
ISBN:
Category : Aeronautics, Military
Languages : en
Pages : 538
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Author: United States. Army Air Forces
Publisher:
ISBN:
Category : Aeronautics, Military
Languages : en
Pages : 1152
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Author:
Publisher: Krishna Prakashan Media
ISBN: 9788185842639
Category :
Languages : en
Pages : 356
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1850
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Author: Eric Scerri
Publisher: Oxford University Press
ISBN: 019991074X
Category : Science
Languages : en
Pages : 305
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Book Description
In 1913, English physicist Henry Moseley established an elegant method for "counting" the elements based on atomic number, ranging them from hydrogen (#1) to uranium (#92). It soon became clear, however, that seven elements were mysteriously missing from the lineup--seven elements unknown to science. In his well researched and engaging narrative, Eric Scerri presents the intriguing stories of these seven elements--protactinium, hafnium, rhenium, technetium, francium, astatine and promethium. The book follows the historical order of discovery, roughly spanning the two world wars, beginning with the isolation of protactinium in 1917 and ending with that of promethium in 1945. For each element, Scerri traces the research that preceded the discovery, the pivotal experiments, the personalities of the chemists involved, the chemical nature of the new element, and its applications in science and technology. We learn for instance that alloys of hafnium--whose name derives from the Latin name for Copenhagen (hafnia)--have some of the highest boiling points on record and are used for the nozzles in rocket thrusters such as the Apollo Lunar Modules. Scerri also tells the personal tales of researchers overcoming great obstacles. We see how Lise Meitner and Otto Hahn--the pair who later proposed the theory of atomic fission--were struggling to isolate element 91 when World War I intervened, Hahn was drafted into the German army's poison gas unit, and Meitner was forced to press on alone against daunting odds. The book concludes by examining how and where the twenty-five new elements have taken their places in the periodic table in the last half century. A Tale of Seven Elements paints a fascinating picture of chemical research--the wrong turns, missed opportunities, bitterly disputed claims, serendipitous findings, accusations of dishonesty--all leading finally to the thrill of discovery.
Author: U.S. Atomic Energy Commission
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 106
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Book Description
