Radium-223 is a radioactive alpha-emitter used to treat bone metastases in cancer patients. A solution containing radium-223 is injected and builds up in the bone.
Which statement about this treatment is not correct?
Alpha radiation is a form of electromagnetic radiation.
Alpha-particles are a form of ionising radiation.
Radium-223 atoms change to atoms of another element when they decay.
Alpha-particles are positively charged.
134 exam-style questions on CIE IGCSE Physics 5.2.2a Alpha, beta and gamma emission. Each one has a worked solution and a mark scheme showing where the marks go.