Honors Chemistry- Chapter 1 & 2 Practice Quiz



Pre-AP Chemistry- Measurements, Conversions, and Matter Practice Test

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

____ 1. The study of matter and changes in matter best describes the science of

|a. |biology. |c. |microbiology. |

|b. |physics. |d. |chemistry. |

____ 2. Chemistry is defined as the study of the composition and structure of materials and

|a. |the categories of matter. |c. |the electrical currents in matter. |

|b. |the changes in matter. |d. |molecules in living things. |

____ 3. Study of the composition and structure of materials and the changes that materials undergo best describes the science of

|a. |chemistry. |c. |physics. |

|b. |biology. |d. |engineering. |

____ 4. Matter includes all of the following EXCEPT

|a. |air. |c. |smoke. |

|b. |light. |d. |water vapor. |

____ 5. A physical property may be investigated by

|a. |melting ice. |c. |allowing silver to tarnish. |

|b. |letting milk turn sour. |d. |burning wood. |

____ 6. Chemical properties

|a. |include changes of state of a substance. |

|b. |include mass and color. |

|c. |include changes that alter the identity of a substance. |

|d. |can be observed without altering the identity of a substance. |

____ 7. Two features that distinguish matter are

|a. |mass and velocity. |c. |mass and volume. |

|b. |weight and velocity. |d. |weight and volume. |

____ 8. An example of an extensive physical property is

|a. |mass. |c. |color. |

|b. |density. |d. |boiling point. |

____ 9. Which of the following is an intensive physical property?

|a. |volume |c. |color |

|b. |length |d. |mass |

____ 10. A chemical change occurs when

|a. |dissolved minerals solidify to form a crystal. |

|b. |ethanol is purified through distillation. |

|c. |salt deposits form from evaporated sea water. |

|d. |a leaf changes color. |

____ 11. The melting of candle wax is classified as a physical change because it

|a. |produces no new substances. |

|b. |transfers energy. |

|c. |absorbs heat. |

|d. |changes the chemical properties of wax. |

____ 12. An example of a chemical change is

|a. |sanding wood. |c. |milk going sour. |

|b. |melting ice. |d. |vaporizing gasoline. |

____ 13. A physical change occurs when a

|a. |peach spoils. |c. |bracelet turns your wrist green. |

|b. |copper bowl tarnishes. |d. |glue gun melts a glue stick. |

____ 14. The particles in a solid are

|a. |packed closely together. |c. |constantly in motion. |

|b. |very far apart. |d. |able to slide past each other. |

____ 15. The state of matter in which a material is most likely to resist compression is the

|a. |solid state. |c. |gaseous state. |

|b. |liquid state. |d. |vaporous state. |

____ 16. The state of matter in which a material has definite shape and definite volume is the

|a. |liquid state. |c. |gaseous state. |

|b. |solid state. |d. |vaporous state. |

____ 17. The state of matter in which a material has neither a definite shape nor a definite volume is the

|a. |gaseous state. |c. |elemental state. |

|b. |liquid state. |d. |solid state. |

____ 18. The state of matter in which particles are rigidly held in fixed positions is the

|a. |gaseous state. |c. |vaporous state. |

|b. |liquid state. |d. |solid state. |

____ 19. A substance classified as a fluid contains particles that

|a. |quickly expand into any available space. |

|b. |are held in fixed positions. |

|c. |may slide past each other. |

|d. |are very far from each other. |

____ 20. The state of matter in which a material has a definite volume but no definite shape is the

|a. |gaseous state. |c. |frozen state. |

|b. |solid state. |d. |liquid state. |

____ 21. Under ordinary conditions of temperature and pressure, the particles in a gas are

|a. |closely packed. |c. |held in fixed positions. |

|b. |very far from each other. |d. |able to slide past each other. |

____ 22. Physical means can be used to separate

|a. |elements. |c. |mixtures. |

|b. |pure substances. |d. |compounds. |

____ 23. 0.25 g is equivalent to

|a. |250 kg. |c. |0.025 mg. |

|b. |250 mg. |d. |0.025 kg. |

____ 24. 0.05 cm is the same as

|a. |0.000 05 m. |c. |0.05 m. |

|b. |0.005 mm. |d. |0.5 mm. |

____ 25. 1.06 L of water is equivalent to

|a. |0.001 06 mL. |c. |106 mL. |

|b. |10.6 mL. |d. |1060 mL. |

____ 26. The number of grams equal to 0.5 kg is

|a. |0.0005. |c. |500. |

|b. |0.005. |d. |5000. |

[pic]

____ 27. Group ____ in the figure above contains only metals.

|a. |2 |c. |17 |

|b. |13 |d. |18 |

____ 28. Based on their location in the figure above, oxygen and selenium have

|a. |the same number of neutrons. |c. |similar properties. |

|b. |the same conductivity. |d. |the same number of electron orbitals. |

____ 29. Use the figure above. Which element has properties most similar to those of sodium?

|a. |boron |c. |sulfur |

|b. |calcium |d. |nitrogen |

____ 30. Based on its location in the figure above, you could infer that ____ is very unreactive.

|a. |Ca |c. |Si |

|b. |P |d. |Ar |

____ 31. Based on their location in the figure above, boron and antimony might be good elements to use as

|a. |semiconductors. |c. |construction materials. |

|b. |fuels. |d. |catalysts. |

____ 32. The most useful source of chemical information about the elements is a

|a. |calculator. |c. |periodic table. |

|b. |table of metric equivalents. |d. |table of isotopes. |

____ 33. A horizontal row of blocks in the periodic table is called a(n)

|a. |group. |c. |family. |

|b. |period. |d. |octet. |

____ 34. Elements in a group in the periodic table can be expected to have similar

|a. |atomic masses. |c. |numbers of neutrons. |

|b. |atomic numbers. |d. |properties. |

____ 35. A vertical column of blocks in the periodic table is called a(n)

|a. |group. |c. |property. |

|b. |period. |d. |octet. |

____ 36. The elements that border the zigzag line in the periodic table are

|a. |inactive. |c. |metalloids. |

|b. |metals. |d. |nonmetals. |

____ 37. Which is NOT a property of metals?

|a. |malleability |c. |unreactivity |

|b. |ability to conduct heat and electricity |d. |tensile strength |

____ 38. Which statement is NOT true of nonmetals?

|a. |They have characteristics of both metals and nonmetals. |

|b. |Many are gases at room temperature. |

|c. |They have low conductivity. |

|d. |There are fewer nonmetals than metals. |

____ 39. Which statement is NOT true of most metalloids?

|a. |They are used in computers and calculators. |

|b. |They are semiconductors of electricity. |

|c. |They are generally unreactive. |

|d. |They have characteristics of both metals and nonmetals. |

|Mass Data of Sample |

| |Trial 1 |Trial 2 |Trial 3 |Trial 4 |

|Student A |1.43 g |1.52 g |1.47 g |1.42 g |

|Student B |1.43 g |1.40 g |1.46 g |1.44 g |

|Student C |1.54 g |1.56 g |1.58 g |1.50 g |

|Student D |0.86 g |1.24 g |1.52 g |1.42 g |

____ 40. Four students each measured the mass of one 1.43 g sample four times. The results in the table above indicate that the data collected by ____ reflect the greatest accuracy and precision.

|a. |Student A |c. |Student C |

|b. |Student B |d. |Student D |

____ 41. To two significant figures, the measurement 0.0255 g should be reported as

|a. |0.02 g. |c. |0.026 g. |

|b. |0.025 g. |d. |2.5 × 102 g. |

____ 42. The number of significant figures in the measurement 0.000 305 kg is

|a. |3. |c. |5. |

|b. |4. |d. |6. |

____ 43. The number of significant figures in the measured value 0.003 20 g is

|a. |2. |c. |5. |

|b. |3. |d. |6. |

____ 44. The measurement that has been expressed to three significant figures is

|a. |0.052 g. |c. |3.065 g. |

|b. |0.202 g. |d. |5000 g. |

____ 45. The number of significant figures in the measurement 170.040 km is

|a. |3. |c. |5. |

|b. |4. |d. |6. |

____ 46. The measurement that has been expressed to four significant figures is

|a. |0.0020 mm. |c. |30.00 mm. |

|b. |0.004 02 mm. |d. |402.10 mm. |

____ 47. The number of significant figures in the measurement 210 cm is

|a. |1. |c. |3. |

|b. |2. |d. |4. |

____ 48. The number that has five significant figures is

|a. |23 410. |c. |0.017 83. |

|b. |0.006 52. |d. |10.292. |

____ 49. When 64.4 is divided by 2.00, the correct number of significant figures in the result is

|a. |1. |c. |3. |

|b. |2. |d. |4. |

____ 50. The dimensions of a rectangular solid are measured to be 1.27 cm, 1.3 cm, and 2.5 cm. The volume should be recorded as

|a. |4.128 cm3. |c. |4.13 cm3. |

|b. |4.12 cm3. |d. |4.1 cm3. |

____ 51. Divide 5.7 m by 2 m. The quotient is correctly reported as

|a. |2.8 m. |c. |2.9 m. |

|b. |2.85 m. |d. |3 m. |

____ 52. The sum of 314.53 km and 32 km is correctly expressed as

|a. |346 km. |c. |346.53 km. |

|b. |346.5 km. |d. |347 km. |

____ 53. The product of 13 cm and 5.7 cm is correctly reported as

|a. |74 cm2. |c. |74.1 cm2. |

|b. |74.0 cm2. |d. |75 cm2. |

____ 54. Round 1.245 633 501 × 108 to four significant figures.

|a. |1246 |c. |1.246 × 108 |

|b. |1.2456 × 108 |d. |1.246 × 104 |

____ 55. How many significant digits should be shown in the product of 1.6 cm and 2.4 cm?

|a. |1 |c. |3 |

|b. |2 |d. |4 |

____ 56. Written in scientific notation, the measurement 0.000 065 cm is

|a. |65 × 10–4 cm. |c. |6.5 × 10–6 cm. |

|b. |6.5 × 10–5 cm. |d. |6.5 × 10–4 cm. |

____ 57. The measurement 0.020 L is the same as

|a. |2.0 × 10–3 L. |c. |2.0 × 10–2 L. |

|b. |2.0 × 102 L. |d. |2.0 × 10–1 L. |

____ 58. Expressed in scientific notation, 0.0930 m is

|a. |93 × 10–3 m. |c. |9.30 × 10–2 m. |

|b. |9.3 × 10–3 m. |d. |9.30 × 10–4 m. |

____ 59. The speed of light is 300 000 km/s. In scientific notation, this speed is

|a. |3 × 105 km/s. |c. |3.0 × 106 km/s. |

|b. |3.00 × 105 km/s. |d. |3.00 × 106 km/s. |

____ 60. The average distance between the Earth and the moon is 386 000 km. Expressed in scientific notation, this distance is

|a. |386 × 103 km. |c. |3.8 × 105 km. |

|b. |38 × 104 km. |d. |3.86 × 105 km. |

____ 61. When 1.92 × 10–6 kg is divided by 6.8 × 102 mL, the quotient in kg/mL equals

|a. |2.8 × 10–4. |c. |2.8 × 10–8. |

|b. |2.8 × 10–5. |d. |2.8 × 10–9. |

____ 62. When 6.02 × 1023 is multiplied by 9.1 × 10–31, the product is

|a. |5.5 × 10–8. |c. |5.5 × 10–7. |

|b. |5.5 × 1054. |d. |5.5 × 10–53. |

Problem

63. Preform the following conversions: SHOW ALL WORK!

A) 5 m to mm

B) 25 g to kg

C) 15 mL to uL

D) 4 km to cm

E) 500 ms to cs

F) 486 g to ng

.

64. Write the following numbers in scientific notation:

A) 52,000,000

B) .00000045

C) 0.0012

D) 45,000

E) 0.000086

65. Calculate the Percent Error for the following measurements:

A)

Experimental Value: 5.6 cm

Accepted Value: 6.2 cm

B)

Experimental Value: 8.21 kg

Accepted Value: 8.35 kg

C)

Experimental Value: 4.2 mL

Accepted Value: 4.0 mL

D)

Experimental Value: 4586 s

Accepted Value: 4599 s

.

66. Whic metric unit would be best to measure the following quantities:

A) The distance from here to Monticello Trails?

B) The distance from here to Manhattan Kansas?

C) The mass of your pencil?

D) The mass of a car?

E) The volume of your cup?

F) the volume of a bathtub?

Short Answer

67. In one experiment, magnesium metal is melted. In a second experiment, magnesium metal is burned. Classify the change in each experiment as chemical or physical. Explain your reasoning.

68. Explain the difference between a pure substance and a homogeneous mixture. Use an example.

69. Give an example of a region of the periodic table that acts as a bridge between two other regions. What does this tell you about the properties of the bridging elements?

Essay

70. Compare and contrast solids, liquids, and gases by explaining the behavior of their particles. Draw models to illustrate your answer.

71. Explain the difference between Intensive and Extensive property. Give at least one example of each.

72. Explain, using examples of specific properties, how the position on the periodic table can be used to predict properties of the 3 types of elements: Metals, Non-Metals, and Metalloids.

73. Explain the difference between a physical property and a chemical property.

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