| A | B |
|---|
| Fission | The nucleus splits into one or more particles and energy is released |
| Fusion | Two atoms bind together and energy is released |
| Gamma rays | High frequency electromagnetic radiation emmited by radioactive elements |
| Half-life | A measurement of the rate of decay of a radioactive element |
| Nucleon | a proton or neutron for example |
| Alpha particle | A helim nucleus |
| Beta particle | Has the mass and charge of an electron |
| Rad | Common unit for radiation |
