(a(i))[2]
State what a $\beta$-particle is and state where it is produced.
(a(ii))[3]
Finish the nuclide equation for the radioactive decay of carbon-14. $^{14}_{6}\text{C} \rightarrow \;\ldots\ldots\text{N} + \ldots\ldots\beta$
(b)[1]
Explain what the term half-life means.
(c(i))[1]
Suggest why $\alpha$-particles are unsuitable for this purpose.
(c(ii))[1]
Suggest why $\gamma$-rays are unsuitable for this purpose.