(a(i))[1]
State how a neutral atom turns into a positive ion.
(a(ii))[1]
State the type of nuclear emission that is the most ionising.
(b)[2]
Explain the meaning of isotopes of copper.
(c)[2]
Use the information in Table 10.1 to determine the half-life of the radioactive sample.
(d)[1]
Describe how radioactive materials should be stored safely.