Answered: Neptunium-237 decays through alpha…

Neptunium-237 decays through alpha decay and forms protactinium. Estimate the kinetic energy of the alpha particle.

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Expert Solution

Concept and Principle:

Alpha decay is one of the three main forms of radioactive decay. In alpha decay, the unstable nucleus will release two protons and two neutrons as an alpha particle. An alpha particle is basically a helium nucleus.

${}_{Z}^{A}X_{N} \to {}_{Z - 2}^{A - 4}{X'}_{N - 2} + {}_{2}^{4}{He}_{2}$

Here X is the unstable nucleus.

$K_{α} = (\frac{A - 4}{A}) Q$

Here A is the atomic number of the parent nucleus and Q is the energy released in the reaction.

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