Isotopes examples. radioactive isotopes may also be classified as stable isotopes when their half-lives are too long to be measured. These elements can often be found to occur in nature and include isotopes of carbon, nitrogen, hydrogen, oxygen, noble gases and metals.
Examples of Radioactive isotopes Used In Medical Science. Because cancer cells are more sensitive (more susceptible to radioisotope radiation than normal cells), the use of this radioactive isotopes is to kill cancer cells by regulating the direction and dose of radiation. Cobalt-60 (Co-60) and Scandium-137 (Cs-137), the radiation is used to sterilize medical instruments.
The half-life of a radioactive isotope is the length of time forone half of a given sample to decay into another isotope (usuallyof a different element). It is a logarithmic process.
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Every chemical element has one or more radioactive isotopes. For example, hydrogen, the lightest element, has three isotopes with mass numbers 1, 2, and 3. Only hydrogen-3 , however, is a radioactive isotope, the other two being stable. More than 1,000 radioactive isotopes of the various elements are known.
An example of a radioactive isotope is carbon-12. carbon-14. neon-20. neon-22. Carbon-12 is not an isotope because carbon has an atomic number of 12. Although neon-20 and neon-22 are isotopes of neon, which has an atomic number of 10, they are considered to be 2 of the 3 stable isotopes of neon (the other being neon-21). This leaves carbon-14 which is both radioactive and an isotope of carbon.
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A highly diluted acidic solution of 63 Ni isotope (68 keV β-decays, half-life of 100 years) was deposited on the sample surface and allowed to dry. The samples were sealed in quartz tubes under …
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Polonium is a radioactive isotope which decays by the loss of an alpha particle. What is the second product of this decay? An alpha decay occurs when an unstable atom emits an alpha particle, which …
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