1. Radioactive isotopes find uses in agriculture, food industry, pest control, archeology and medicine. The uranium occurs naturally as two isotopes 235 U and 238 U with relative abundances of approximately 0.28% to 99.71% with the remainder due to other isotopes.. Only the uranium 235 can be used for atomic energy and so needs to be concentrated in the sample. Although they do not emit radiation, their unique properties enable them to be used in a broad variety of applications, including water and soil management, environmental studies, nutrition assessment studies and forensics. The isotopes that are neutron-rich and those created from nuclear fission must be made in nuclear reactors. Key Terms. isotopes of lithium: 6Li and 7Li. Common isotopes that are used in nuclear imaging include: fluorine-18, gallium-67, krypton-81m, rubidium-82, nitrogen-13, technetium-99m, indium-111, iodine-123, xenon-133, and thallium-201. The isotopes used in PET scans are produced in a device called a cyclotron. isotopes of sulfur: 32S, 33S, 34S, and 36S Isotopes are atoms of a single element that differ in their numbers of neutrons. isotopes of magnesium: 24Mg, 25Mg, and 26Mg. Cobalt-60 (10.5 mth): Formerly used for external beam radiotherapy. isotopes of carbon: 12C, 13C, and 14C. Stable isotopes are non-radioactive forms of atoms. List of Medical Isotopes Produced in Reactors and Their Uses… Among the non-generating radioactive isotopes are potassium-40 (K-40) with a half-life of 1.27 billion years old, rubidium-87 (Rb-87) with a half-life of 47.5 billion years and about 10 other nuclides that have a half-life of more than 10 billion years. I take the reference to “isotopes” to mean uses of nuclear reactions in daily life. My interpretation is that the questioner wants uses for isotopes where the number of neutrons is important. This principle is put to use in the purification of uranium 235 for use in the atomic energy industry. ... $0.56 (5 dimes, 6 pennies) 6 protons, 8 neutrons 10:8 To date we use roughly 40 activation product radioisotopes and also 5 isotopes that are products of fission in reactors. These two types of isotopes have many uses in different industries - medical, agricultural and food, among others. nuclear medicine: The branch of medicine that uses radioactive isotopes in the diagnosis and treatment of disease. Do you see my problem? Radiocarbon dating, which measures the age of carbon-bearing items, uses a radioactive isotope known as carbon-14. This type of scan is useful for producing images of the brain and cardiac structures, as well as for detecting many types of cancer. Copper-64 (13 h): Used to study genetic diseases affecting copper metabolism, such as Wilson's and Menke's diseases. Every home should have smoke alarms. 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