A Tale of Seven Elements

A Tale of Seven Elements

by Eric Scerri

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Overview

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.

Product Details

ISBN-13: 9780195391312
Publisher: Oxford University Press
Publication date: 06/20/2013
Edition description: New Edition
Pages: 304
Product dimensions: 5.90(w) x 8.36(h) x 0.98(d)

About the Author

Eric Scerri is a leading philosopher of science specializing in the history and philosophy of the periodic table. He is also the founder and editor in chief of the international journal Foundations of Chemistry and has been a full-time lecturer at UCLA for the past twelve years where he regularly teaches classes of 350 chemistry students as well as classes in history and philosophy of science. He is the author of The Periodic Table: Its Story and Its Significance and has given invited lectures all over the world.

Table of Contents

Preface: What constitutes the discovery of an element?

Chapter 1.
Dalton, to the Discovery of the Periodic System

Chapter 2.
van den Broek, Moseley and the missing seven elements.

Chapter 3.
Element 91, protactinium

Chapter 4.
Element 72, hafnium

Chapter 5.
Element 75, rhenium

Chapter 6.
Element 43, technetium

Chapter 7.
Element 87, francium

Element 8.
Element 85, astatine

Chapter 9.
Element 61, promethium

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A Tale of Seven Elements 5 out of 5 based on 0 ratings. 1 reviews.
Anonymous More than 1 year ago
A first rate book by an expert on the science and history of the periodic table. This his latest of three books with Oxford University Press is directed at a wider audience and presents some intriguing scientific stories that one does not find in the usual sources and textbooks. Scerri's style is clear and informative. Chemistry and physics instructors at every level will draw inspiration from this book. Students of science and lay-readers will gain a better understanding of how science is actually carried out, complete with disputes and warring egos. Highly recommended. Great value for money too.