Alpha decay causes the mass number of the nucleus ... on both sides of the equation. An unstable nucleus can emit a fast-moving electron called a beta (β) particle, to become more stable.

half life and nuclear equations. If you struggled with the quiz, don't panic - we've got you! You can revise radioactive decay by clicking the links below. Click the links below to try our GCSE ...

The half life of a radioactive isotope is the time taken for it to decay to half of its original amount of radioactivity. The specific activity is the activity per unit mass of a particular ...