To determine which type of radioactive decay is being modeled by a specific equation, I would need to see the equation itself. Each type of decay has distinct characteristics:
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Alpha decay: Involves the emission of an alpha particle (2 protons and 2 neutrons), resulting in a decrease of the atomic number by 2 and a mass number decrease by 4.
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Beta-minus decay: Involves the conversion of a neutron into a proton, emitting an electron and an antineutrino, increasing the atomic number by 1 while the mass number remains unchanged.
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Beta-plus decay (positron emission): Involves the conversion of a proton into a neutron, emitting a positron and a neutrino, decreasing the atomic number by 1, with the mass number unchanged.
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Gamma decay: Involves the emission of gamma radiation (high-energy photons), which usually occurs after other types of decay but does not change the atomic number or mass number.
If you provide the specific equation or reaction, I can help you identify which type of decay it represents.