
An isotope is a variant form of a chemical element containing a different number of neutrons in its nucleus Most elements exist as several isotopes Many are stable while others are radioactive & some may only exist fleetingly before decaying into other elements In this Very Short Introduction Rob Ellam explains how isotopes have proved enormously important across all the sciences & in archaeology Radioactive isotopes may be familiar from their use in nuclear weapons nuclear power & in medicine as well as in carbon dating They have been central to establishing the age of the Earth & the origins of the solar system Combining previous & new research Ellam provides an overview of the nature of stable & radioactive isotopes & considers their wide range of modern applications ABOUT THE SERIES The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area These pocket-sized books are the perfect way to get ahead in a new subject quickly Our expert authors combine facts analysis perspective new ideas & enthusiasm to make interesting & challenging topics highly readable