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Properties of Matter Review

Properties of Matter Review. CPE 2011. 2.1 What Is Matter?. The smallest unit of an element that maintains the properties of that element is a(n). m olecule atom substance compound. :10. Which of the following is not a pure substance?. E lement Molecule Compound Mixture. :10.

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Properties of Matter Review

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  1. Properties of Matter Review CPE 2011

  2. 2.1 What Is Matter?

  3. The smallest unit of an element that maintains the properties of that element is a(n) • molecule • atom • substance • compound :10

  4. Which of the following is not a pure substance? • Element • Molecule • Compound • Mixture :10

  5. Which of the following is a mixture? • Air • Sodium chloride • Pure Water • Sulfur :10

  6. Which of the following is not a homogeneous mixture? 1. silver 2. salt water 3. tea 4. clear lemon-lime soda :10

  7. ________ is an example of matter, while _______ is not matter. • Heat; paper • Sound; sunlight • Sunglasses; water • Air; sunlight :10

  8. 7.1 Solutions and Other Mixtures

  9. One example of a heterogeneous mixture is • muddy water. • plain water. • salt water. • air. :10

  10. Some rubbing alcohol is a uniform mixture of isopropanol and water. This mixture • is a solution. • settles out upon standing. • is heterogeneous. • is immiscible. :10

  11. Particles in a _______ can be separated by filtration. • alloy • solution • suspension • all of the above :10

  12. Cinnamon sugar can be best classified as a(n) • element • compound • homogeneous mixture • heterogeneous mixture :10

  13. Carbon is an example of a • Element • Compound • Pure substance • Both 1 & 3 :10

  14. 2.2 Properties of Matter

  15. Which of the following statements does not describe a physical property of iron? • Iron is denser than aluminum. • Iron melts at 1535°C. • Iron can be formed into different shapes. • Iron reacts with strong acids. :10

  16. All of the following are units for density except • g/mL3 • g/mL • g/cm3 • g/L :10

  17. Which of the following is not a physical property of matter? • Boiling point • Flammability • Solubility (how well something dissolves) • Density :10

  18. What is the volume of a 45 g piece of copper that has a density of 8.92 g/mL? • 400 mL • 0.20 mL • 5.0 mL • 54 mL :10

  19. A block of wood has dimensions of 9.5 cm long, 2.3 cm wide, and 1.8 cm high. What is the density of the block of wood if it has a mass of 28.6 g? • 1100 g/cm3 • 0.73 g/cm3 • 2.1 g/cm3 • 1.4 g/cm3 :10

  20. 2.3 Changes of Matter

  21. Which of the following is a physical change? • Melting ice cubes • Burning paper • Rusting iron • Burning gasoline :10

  22. One property of all mixtures is that they • can be separated without chemical changes. • contain a definite ratio of elements. • contain chemically combined elements. • are solutions. :10

  23. All of the following are indicators of chemical changes except that • gas is released. • light and sound are released. • the substances don’t change. • new substances are formed. :10

  24. Which of the following is not a physical way to separate a mixture? • using a magnet to pick up one part of the mixture • heating the mixture until it burns • passing the mixture through a filter • spinning the mixture in a centrifuge :10

  25. Which of the following is least likely to be a sign that a chemical change is taking place? • A bright flame is produced. • Bubbles of gas are released. • A solution changes from colorless to red. • Spilled rubbing alcohol seems to disappear. :10

  26. 3.1 Matter and Energy

  27. Which segment represents the solid state only? • A to B • B to C • C to D • D to E :10

  28. Which segment represents evaporation? • A to B • B to C • C to D • D to E :10

  29. What is happening to the particles during segments D to E? • Moving faster • Spreading apart • Moving faster and spreading apart • Moving slower and closer together :10

  30. Freezing/solidification is a ____ change because ___. • Endothermic; heat energy is gained • Exothermic; heat energy is lost • Endothermic; heat energy is lost • Exothermic; heat energy is gained :10

  31. Which of the following is not a part of the kinetic theory of matter? • Higher potential energy means higher temperatures • Higher temperatures make particles move faster • Large particles move more slowly • All matter is made of particles :10

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