Chapter 10 Nuclear Chemistry Section 10.4 Fission and Fission+and+Fusion... · Chapter 10 Nuclear Chemistry…
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Name ___________________________ Class ___________________ Date _____________Chapter 10 Nuclear ChemistrySection 10.4 Fission and Fusion (pages 308315)This section discusses nuclear forces and the conversion of mass into energy.It also describes the nuclear processes of fission and fusion.Reading Strategy (page 308)Comparing and Contrasting As you read, contrast fission and fusion inthe Venn diagram below by listing the ways they differ. For moreinformation on this Reading Strategy, see the Reading and Study Skillsin the Skills and Reference Handbook at the end of your textbook.Contrasting Fission and FusionFission FusionNuclear Forces (pages 308309)1. Describe the strong nuclear force. 2. Is the following sentence true or false? Over very short distances,the strong nuclear force is much greater than the electric forcesamong protons. 3. Electric forces in atomic nuclei depend on .4. Is the following sentence true or false? The strong nuclear force on aproton or neutron is much greater in a large nucleus than in a smallnucleus. 5. All nuclei with 83 or more protons are .Fission (pages 309313)6. Describe fission. 7. Fission can produce very large amounts of energy from very smallamounts of .Physical Science Guided Reading and Study Workbook Chapter 10 91 Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.Releaseslargeamounts ofenergy8. Circle the letter that identifies what c represents in Einsteins mass-energy equation, E mc2. a. the charge on a proton b. the speed of lightc. the charge on an electron d. the specific heat of the material9. Is the following sentence true or false? During nuclear reactionsmass is not conserved, but energy is conserved.10. Describe what can happen to a uranium-235 nucleus that absorbs a neutron. 11. Complete the following table.Chain ReactionsType of Chain Description Example of AnReaction ApplicationUncontrolled All neutrons released during fission are free to cause other fissions.Nuclear power plants12. Describe a critical mass. 13. Is the following sentence true or false? Unlike power plants thatburn fossil fuels, nuclear power plants do not emit air pollutantssuch as oxides of sulfur and nitrogen. 14. Describe what happens during a meltdown. Fusion (page 315)15. The state of matter in which atoms have been stripped of theirelectrons is .16. Circle the letter of each main problem that scientists must face indesigning a fusion reactor.a. Extremely high temperatures are necessary for a fusion reactionto start.b. The plasma that results from the reaction conditions must becontained.c. The hydrogen needed as a starting material is extremely scarce. d. Fusion reactions produce large quantities of radioactive waste.Name ___________________________ Class ___________________ Date _____________Chapter 10 Nuclear Chemistry92 Physical Science Guided Reading and Study Workbook Chapter 10 Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
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