Which row in the table correctly describes a type of radioactive decay?
| Original nucleus | Emission | Change in proton number | |
|---|---|---|---|
| A | stable | α\alphaα | decreases by 2 |
| B | unstable | γ\gammaγ | decreases by 1 |
| C | unstable | β\betaβ | increases by 1 |
| D | unstable | α\alphaα | decreases by 4 |
Row A
Row B
Row C
Row D
120 exam-style questions on CIE IGCSE Physics 5.2.3a Radioactive decay. Each one has a worked solution and a mark scheme showing where the marks go.