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Properties of Matter: Help and Review 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. Pure substances are further divided into elements and compounds. Which one best describes the rust found on a vehicle over time?

Question 2 2. ALL atoms of the same element have:

Question 3 3. Which of the following statements is true?

Question 4 4. Which of the following is a definition of a molecule?

Question 5 5. Carbon-10 has a half-life of about 19 seconds. How many half-lives does it undergo in 2 minutes and 32 seconds?

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Question 6 6. Which of the following is a definition of a compound?

Question 7 7. The phase change when a solid goes directly to a gas is called:

Question 8 8. The nucleus of an atom:

Question 9 9. An example of condensation is:

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 a double-replacement reaction?

Question 12 12. What are the largest reservoirs for carbon on Earth?

Question 13 13. Which is not a way carbon can return to the atmosphere?

Question 14 14. Identify which general equation is a combination reaction.

Question 15 15. Which of the following is a correct definition of an element?

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Question 16 16. Which of the following is a TRUE statement?

Question 17 17. Photosynthesis is a process in plants that uses _____and produces energy and oxygen.

Question 18 18. _____ properties of matter can be determined without changing composition, while _____ properties of matter must change the composition of matter.

Question 19 19. What is the most common state of matter in the universe?

Question 20 20. Ocean water is a good example of a mixture because _____

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Question 21 21. A sample of thulium-171 has a mass of 0.4055 grams. How much is left after 6 half-lives?

Question 22 22. How does a nuclear reaction differ from a chemical reaction?

Question 23 23. The charges on beta particles (Β - ), alpha particles (α) and gamma (γ) rays are _____ respectively.

Question 24 24. In what ways can nitrogen gas be broken down into nutrients for plants?

Question 25 25. Which type of reaction is involved with nuclear reactors?

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Question 26 26. If Atom #1 has 19 protons and 22 neutrons, and Atom #2 has 20 protons and 22 neutrons, are these isotopes of the same element?

Question 27 27. Compound X is converted to elements A and B. Compound X has undergone a _____ reaction.

Question 28 28. Which of the following is a definition of matter?

Question 29 29.

Consider the reaction:

Mg +CuCl2 = MgCl2 + Cu

Which type of reaction is shown above?

Question 30 30. What are the characteristics of a gas?

Properties of Matter: Help and Review 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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