Nuclear Chemistry Worksheet Complete the following questions: 1. Traditional chemical reactions occur as a result of the interaction between _______________ around an _______________. 2. In _________, expanded the field of chemistry to include nuclear changes when he discovered that uranium emitted radiation. 3. ____________________ was the first woman to win a Nobel Prize and the first person to win two for discovering ____________________. 4. In __________, Frederick Soddy proposed the theory that "radioactivity is the result of a natural change of an ____________________ of one element into an isotope of a different element. 5. There are __________ common types of radiation and nuclear changes. Name the types of radiation and describe each 7. Radioactive decay proceeds according to a principal called the _______________. 8. If we begin an experiment starting with 100 g of bismuth in a sealed lead container, after five days we will have __________ of bismuth and __________ of thallium in the jar. After another five days (ten days from the starting point), one-half of the remaining bismuth will decay and we will be left with __________ of bismuth and __________ of thallium in the jar. 9. While many _______________ undergo radioactive decay naturally, _______________ reactions can also be stimulated artificially. 10. What is nuclear fission? 11. What is nuclear fusion? 12. Draw and Explain Uranium-238 to illustrate the decay chain.