Across
- 4. probability that a nucleus will decay in a given time
- 6. used to sterilise surgical equipment
- 9. shape of decay curve
- 10. to split an atom
- 11. SI unit for activity
- 12. Control rods are made from this
- 14. slows neutrons down
- 16. in stars
Down
- 1. highest binding energy per nucleon
- 2. most common coolant used in UK
- 3. time taken for activity to decrease by 50%
- 5. released in beta - decay
- 7. most ionising
- 8. ....muller tube
- 13. this decay increases proton number by 1
- 15. radioactive decay is completely . .