OCR GCSE Gateway Science Suite - Physics A J249 · P6.1k
Decline after a number of half-lives
- Code
- P6.1k
- In
- P6.1 Radioactive emissions
- Topic
- P6 Radioactivity
- Course
- GCSE Gateway Science Suite - Physics A J249
- Board
- OCR
Grade boundaries·OCR command words
Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.
Points in P6.1 Radioactive emissions
- P6.1a Protons, neutrons and nuclear charge
- P6.1b Isotopes and neutron numbers
- P6.1c Nuclear notation for isotopes
- P6.1d Unstable nuclei and radioactive emissions
- P6.1e Emissions and changes to the nucleus
- P6.1f Writing radioactive decay equations
- P6.1g Balancing decay equations
- P6.1h Electron energy levels and radiation
- P6.1i Radiation from changes in atoms and nuclei
- P6.1j Half-life and random decay
- P6.1k Decline after a number of half-lives
- P6.1l Penetration of alpha, beta and gamma