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Asked Nov 25, 2019
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2. What is the difference between radioactive decay and nuclear transmutation?

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Emission of radiation by unstable nuclei is called radioactive decay. These radiations may be alpha, beta, or gamma Alpha decay consist of emission of alpha particle and thereby mass number of parent element decreases by four and the atomic number is decreases by two. Beta decay consists of emission of beta ray and neutrino are emitted from atomic nucleus. Gamma decay is another type radioactive decay in which atomic nuclei loses energy by spontaneous electromagnetic process. Example of radioactive decay that is alpha decay is depicted below 234 230 88 Ra 42He 90 Th

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