Books > Science & Mathematics > Biology, life sciences > Biochemistry
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A Tale of Seven Elements (Hardcover)
Loot Price: R646
Discovery Miles 6 460
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A Tale of Seven Elements (Hardcover)
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In 1913, English physicist Henry Moseley established an elegant
method for 'counting' the elements. Soon afterwards, it became
clear that there were precisely seven elements missing from the
periodic table-those that had yet to be isolated among the 92
naturally occurring elements from hydrogen (#1) to uranium (#92).
In A Tale of Seven Elements, Eric Scerri will present the discovery
of those seven elements, five of which are radioactive and three or
possibly four of were first isolated by women. The book covers a
period roughly spanning the two world wars, beginning with the
discovery of protactinium in 1917 and ending with that of
promethium in 1945. In some cases, the state of war directly
influenced attempts to isolate some of the seven elements-this is
true of protactinium, when, in 1916, its discoverer, Lise Meitner,
wrote of the problems she encountered in purchasing even the most
basic items of laboratory equipment. During the second war, the
discovery of nuclear fission, also by Meitner and her associates,
quickly led to the development of the nuclear weapons program and
the associated technologies of particle accelerators. Clearly,
scientific discoveries occur within a social and political context
and the discovery of the seven elements is no exception. This book
draws together for the first time the fascinating stories of the
discoveries of these seven elements, placing them in historical
context.
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