Radioactivity.
Date Submitted: 08/17/2003 21:48:54
Category: / Science & Technology / Chemistry
Length: 1 pages (352 words)
Category: / Science & Technology / Chemistry
Length: 1 pages (352 words)
Radioactivity
By: lilticklemeelmo_23
Radioactivity a.k.a. radioactive decay, is the steps taken in which the atomic nuclei of unstable isotopes release fast-moving particles and energy. There are three types of radioactive decay: (each based on which kind of radiation released by the nucleus) alpha decay, beta decay, and gamma decay.
Gamma rays, also called gamma radiation, are the most energetic radiation. In a radioactive isotope, the gamma rays come from the nucleus of the …
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…different numbers of neutrons. Isotopes are used in modern medicine for research and diagnosing diseases. Example: carbon-14 has a mass number of 14 and the atomic number of 6, but carbon-12 has the mass number of 12 and the atomic number of 6. These elements have a different amount of neutrons.
Bibliography
1. Physical Science by Prentice Hall
2. http://www.web.ask/top?q=what+is+radioactivity%.com
3. http://accessexcellence.org/AE/AE
4. http://education.jlab.org/glossary/alphadecay.html
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