The charge on a proton is eee. What is the charge on a β−\beta^-β−-particle and what is the charge on an α\alphaα-particle?
β−\beta^-β−-particle: −e-e−e; α\alphaα-particle: 2e2e2e
β−\beta^-β−-particle: eee; α\alphaα-particle: 2e2e2e
β−\beta^-β−-particle: −e-e−e; α\alphaα-particle: 4e4e4e
β−\beta^-β−-particle: eee; α\alphaα-particle: 4e4e4e
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.