Write each of the following nuclear reactions. a) Carbon-14, used in carbon dating, decays by beta emission. b) Uranium-238 decays by alpha emission.
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This means that a neutron in the nucleus of a carbon-14 atom is converted into a proton, and an electron (beta particle) is emitted from the nucleus. The atomic number of the nucleus increases by one, while the mass number remains the same. This process is Show more…
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$\mathrm{Bi}^{214}$ decays to $A$ by $\alpha$ -emission; $A$ then decays to $B$ by beta emission, which decays to $C$ by 83 another beta emission. Element $C$ decays to $D$ by still another beta emission, and $D$ decays by t-emission to a stable isotope $E$. What is an element $E$ ? (a) $_{81} \mathrm{Tl}^{207}$ (b) ${ }_{80} \mathrm{Hg}^{206}$ (c) ${ }_{79} \mathrm{Au}^{206}$ (d) ${ }_{82} \mathrm{~Pb}^{206}$
Identify the nuclide produced when carbon-14 decays by beta emission. Express your answer as an isotope using prescripts.
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Write complete nuclear equations for the following processes: (a) tritium ( $^{3} \mathrm{H}$ ) undergoes $\beta$ decay, (b) $^{242} \mathrm{Pu}$ undergoes $\alpha$ -particle emission, (c) $^{131}$ I undergoes $\beta$ decay, (d) $^{251}$ Cf emits an $\alpha$ particle.
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