OCR GCSE Combined Science B · J260
Physics, Combined Science
Revise: Nuclear Emissions and Decay EquationsRadioactivity is the property of unstable nuclei that spontaneously emit radiation. Radiation is what travels away from them. Nuclear radiation can take four forms here: alpha particles, beta particles, neutrons and gamma rays.
- Revise: Penetration, Contamination, and Medical Uses
The spontaneous decay of unstable atomic nuclei, accompanied by the emission of radiation.