Chapter 24, Problem 69A

Interpretation Introduction

Interpretation:

The balanced equations for the radioactive decay of plutonium are to be written.

Concept introduction:

The radioactive decay of certain particles causes transmutation and changes them into another atom.

Answer to Problem 69A

${}_{94}^{238}Pu+2n{\to }_{94}^{240}Pu+n{\to }_{94}^{241}Pu{\stackrel{\beta -}{\to }}_{95}^{241}Am+e^{-}+\overline{v}$

Explanation of Solution

The bombardment of neutrons converts plutonium-238 to plutonium-241 which is highly unstable and undergoes radioactive beta decay(negative) to form americium-241.

The equation for the reaction is:

${}_{94}^{238}Pu+2n{\to }_{94}^{240}Pu+n{\to }_{94}^{241}Pu{\stackrel{\beta -}{\to }}_{95}^{241}Am+e^{-}+\overline{v}$