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Properties of Matter 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. All of the following are properties of matter, except:

Question 2 2. Which of the following is not one of the six changes of state?

Question 3 3. What are the properties of a solid?

Question 4 4. If a substance has a half-life of 5 years, then how much of the initial sample remains after 15 years?

Question 5 5. Which type of reaction is involved with nuclear reactors?

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Question 6 6.

A piece of aluminum foil has a mass of 27 grams. About how many atoms does this contain?

(Aluminum has a molecular mass of 27 g/mol.)

Question 7 7. Starting with a group of decaying radioactive isotopes, what is the probability that the one remaining isotope will decay in a half-life?

Question 8 8. Nuclear reactions are different than chemical reactions because:

Question 9 9. _____ properties of matter can be determined without changing composition, while _____ properties of matter must change the composition of matter.

Question 10 10. At the melting point and boiling point what happens?

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Question 11 11. Stoichiometry is:

Question 12 12. If a chemical reaction is , it _ energy.

Question 13 13. 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?

Question 14 14. Balance the following equation:

Question 15 15. Which of the following mole ratio is NOT appropriate to the equation 6CO2+ 6H2 O = C6 H12 O6+ 6O2?

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Question 16 16. Which type of reaction always requires oxygen to be a reactant?

Question 17 17. What is a coefficient?

Question 18 18. A sample of thulium-171 has a mass of 0.4055 grams. How much is left after 6 half-lives?

Question 19 19.

Choose the correctly balanced equation for the following reaction:

Sodium + water → sodium hydroxide + hydrogen gas

Question 20 20. Conservation of matter means that:

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Question 21 21. A mole is:

Question 22 22. Carbon-10 has a half-life of about 19 seconds. How many half-lives does it undergo in 2 minutes and 32 seconds?

Question 23 23. Gas can be turned into a plasma on Earth with the addition of:

Question 24 24. Which of the following is a double-replacement reaction?

Question 25 25. Select the most suitable definition for stoichiometry.

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Question 26 26.

A piece of pencil graphite (made of carbon atoms) has a mass of 0.12 grams. How many moles of carbon atoms are in the lead?

(The molecular mass of carbon is 12 g/mol.)

Question 27 27. Which of the following describes a decomposition reaction?

Question 28 28. The ability of iron to react to oxygen is an example of _____

Question 29 29. Which of the following is NOT a characteristic of a gas?

Question 30 30. Ocean water is a good example of a mixture because _____

Properties of Matter 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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