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Glencoe Chemistry - Matter And Change Chapter 24: Nuclear Chemistry Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. A 6.95 gram sample of radioactive nobelium-259 has a half-life of 58 min. How much is left after 2 hours and 54 minutes?

Question 2 2. During a nuclear reaction, mass is lost. Which of the following does this result in?

Question 3 3. A sample of thulium-171 has a mass of 0.4055 grams. How much is left after 6 half-lives?

Question 4 4. Which of the following statements is NOT true regarding the process of nuclear fusion?

Question 5 5. The difference between the mass of the nucleus and the sum of each individual nucleon is:

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Question 6 6. The equation E = mc2 shows that a small amount of mass creates _____.

Question 7 7. Bacteria grown on media containing sulfur-35 will incorporate radioactivity into what main cell component?

Question 8 8. The charges on beta particles (Β - ), alpha particles (α) and gamma (γ) rays are _____ respectively.

Question 9 9. Bacteria grown on media containing carbon-14 will incorporate radioactivity into what main cell component?

Question 10 10. Cobalt-57 has a half-life of about 272 days. If a sample has an initial mass of 2.24 grams and undergoes decay until it has a mass of 0.140 grams, then how many half-lives passed?

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Question 11 11. Which of the following is the term used for the process by which an unstable atomic nucleus loses energy by releasing radiation?

Question 12 12. Becky was recently diagnosed with an aggressive brain tumor. Her oncologist recommended treating the tumor with cobalt-60 due to its precision with treating this type of cancer. This substance is being used for _____.

Question 13 13. Two artifacts have recently been discovered. After testing, it is found that Artifact A has 20% of carbon-14 in it, while Artifact B has 35% of carbon-14 in it. Which of the two artifacts is the OLDEST?

Question 14 14. Which of the following types of radioactive decay does not result in a change in the number of protons and neutrons within a nucleus, but does release a lot of energy?

Question 15 15. Which type of reaction is involved with nuclear reactors?

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Question 16 16. If a parent nucleus is feeling unstable because the ratio of neutrons to protons is too great, it might undergo a type of radioactive decay which results in the neutron emitting an electron (a beta particle) from the nucleus and turning into a proton. This describes what type of radioactive decay?

Question 17 17. A large nucleus may get to a more stable state by emitting two protons and two neutrons. This describes which type of radioactive decay?

Question 18 18. When does nuclear fusion occur?

Question 19 19. Rochelle has been experiencing fatigue, depression, and has had difficulty concentrating. Her physician believes she has an underperforming thyroid and wants to run some tests. Iodine-131 will be used to study the activity of Rochelle's thyroid. This substance is an example of _____.

Question 20 20. How does a nuclear reaction differ from a chemical reaction?

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Question 21 21. If a substance has a half-life of 5 years, then how much of the initial sample remains after 15 years?

Question 22 22. What is the energy required to break a nucleus into its individual nucleons called?

Question 23 23. Isotopes of an element contain

Question 24 24. Carbon-10 has a half-life of about 19 seconds. How many half-lives does it undergo in 2 minutes and 32 seconds?

Question 25 25. Radioactive isotopes are

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Question 26 26. The equation E = mc2 shows that mass and energy are:

Question 27 27. Bacteria grown on media containing phosphorus-32 will incorporate radioactivity into what main cell component?

Question 28 28. The type of nuclear power that occurs when a heavier atom splits into smaller pieces, which is the most common on Earth is known as _____.

Question 29 29. Which particles are present in the nucleus of an atom?

Question 30 30. Radiometric dating is a method used to date rocks based on what?

Glencoe Chemistry - Matter And Change Chapter 24: Nuclear Chemistry Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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