3.The three major types of radioactive decay of an unstable nucleus are alpha particles, beta particles, and gamma rays. Explain how alpha decay works and how it causes a transmutation. Be sure to note all changes to the nucleus in your explanation.

Write the equation for the alpha decay of Uranium-234.

Explain how beta decay works and how it causes a transmutation. Be sure to include all changes to the nucleus in your explanation.

Write the equation for the beta decay of Iodine-131.

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Answerthe half-reaction having the greatest tendency to occur at the anode:     i₂(aq) + 2e⁻  ⇄ 2i⁻  ;   e = +0.53 v======oxidation occurs at the anode. we must therefore find the half-reaction with the greatest tendency to oxidize.the given values of e are reduction potentials (the form of the half-reactions are of reduction).the lower the reduction potential, the higher the potential to oxidize. the half-cell with the lowest reduction potential will have the greatest tendency to oxidize at the anode.the half-reaction having the greatest tendency must be    i₂(aq) + 2e⁻  ⇄ 2i⁻    e = +0.53 vbecause its reduction potential is the lowest out of the three.