Define what is meant by isotope.
Explain whether the equation shows Q to be another isotope of phosphorus. Q is not the chemical symbol for the atom.
State which source in Table 9.1 would be the most suitable for this medical application.
Explain two reasons behind your choice.
State one additional natural source of background radiation.
State one additional human-made source of background radiation.
State one harmful effect of background radiation.
Complete the equation so that the missing proton and nucleon numbers are shown.
Deduce the identity of particle X.
Suggest where this fusion reaction occurs.
Compare the properties of alpha-particles and beta-particles by considering how well they penetrate materials, how strongly they ionise, and how they are deflected in a magnetic field.