David Sang and Graham Jones Solutions for Chapter: Nuclear Physics, Exercise 2: Questions

Study the decay equations given in Worked examples 1 and 2, and write balanced equations for the following:

(a) A nucleus of radon- $220\left({}_{86}{}^{220}\mathrm{Rn}\right)$ decays by $\alpha$ emission to form an isotope of polonium, Po.

Study the decay equations given in Worked examples 1 and 2, and write balanced equations for the following:

(b) A nucleus of a sodium isotope $\left({}_{11}{}^{25}\mathrm{Na}\right)$ decays by $\beta^{-}$ emission to form an isotope of magnesium, $\mathrm{Mg}$.

Copy and complete this equation for the $\beta^{-}$ decay of a nucleus of argon: ${}_{18}{}^{41}\mathrm{Ar}\to \mathrm{K}+?$