Radioactivity+(Chapter+7)

....answers to the worksheets from radioactivity ....calculating half life and radioactive decay WS answers Assessment- Half-life. Page 136 - 1. D 2. C 3. B 4. A 5. C 6. A 7. C 8. D 9. B 10. C 11. B 12. C ...answers to worksheets on Nuclear Fission and Fusion