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Version 2 2nd Edition Ball
Chapter 2
Measurements
True/False Questions
1. Standard notation is an expression of a number using powers of 10.
False; Easy
2. 0.000411 is an example of using standard notation to express a number.
True; Easy
3. Meter is the SI unit of measuring length of an object.
True; Easy
4. The multiplicative amount of the prefix nano- is one thousand.
False; Easy
5. Volume of a vessel is measured using a derived unit.
True; Easy
6. One cubic centimeter is equal to a milliliter.
True; Easy
7. Significant figures represent the limits of what values of a measurement or a calculation
we are sure of.
True; Easy
8. Any nonzero digit in a measurement is considered significant.
True; Easy
9. Zeros at the end of a number without a decimal point are considered significant.
False; Easy
10. The number ‘0.006608’ has six significant figures.
False; Easy
11. The number ‘8.6090 x 103’ has only four significant figures.
False; Easy
12. The following calculation is performed with the proper number of significant figures. 124
× 10.45 = 1290
True; Moderate
13. As per the 2010 census, the United States population is estimated to be 308.70 million.
This measurement has four significant figures.
False; Moderate
14. If the operations being performed are multiplication or division, the answer has to be
limited to the number of significant figures that the data value with the most number of
significant figures has.
False; Easy
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d. Scientific
15. The number 9.666 × 106 has four significant figures. e. General
True; Easy d; Easy
16. If the expression X+Y=Z is valid, 10X+10Y=10Z is also valid. 28. Identify the scientific notation of 698.
True; Easy a. 6.98 x 101
b. 6.98 × 102
17. A conversion factor is a fraction that can be used to convert a quantity from one unit to c. 6.98 x 103
another. d. 6.98 × 10-2
True; Easy e. 6.98 × 10-3
b; Easy
18. 555 nm is equivalent to 0.555 mm.
False; Moderate 29. The exponent’s value in scientific notation is equal to:
a. the power of ten the base number is multiplied by.
19. An exact number is a measured value of an estimate or a calculation. b. the number of odd decimal digits in the number expressed in standard notation.
False; Easy c. the number of digits after the decimal point in the number expressed in standard
notation.
20. Temperature is a measure of the average amount of static energy a system contains. d. the number of even decimal digits in the number expressed in standard notation.
False; Easy e. the number of digits in the number expressed in standard notation.
a; Easy
21. On the Fahrenheit scale, the freezing point of liquid water is 32°F, and the boiling point
of water is 212°F. 30. What does a negative exponent of a number imply?
True; Easy a. The number is imaginary.
b. The number’s value is less than one.
22. 0°F is equivalent to -32°C. c. The number is irrational.
False; Moderate d. The number cannot be expressed as a fraction.
e. The given number is a negative number.
23. 30°C is the Celsius equivalent of 86°F. b; Easy
True; Moderate
31. The part of a number in scientific notation that is multiplied by a power of 10 is called the
24. Density is a physical property that is defined as a substance’s mass divided by its volume. _____.
True; Easy a. exponent
b. numerator
25. A ball made of iron has a mass of 3.78 g. If the density of the ball is 7.87 g/cm3, the c. association
volume of the cork is 2.08cm3. d. coefficient
False; Moderate e. denominator
d; Easy
Multiple Choice Questions
32. Which of the following unit systems is commonly used in chemistry?
26. The straightforward expression of a number is referred to as _____ notation. a. FTS system of units
a. standard b. United States customary units
b. scientific c. International System of Units
c. exponential d. British system of Units
d. technical e. System of imperial units
e. methodical c; Easy
a; Easy
33. Which of the following is the SI unit of length?
27. _____ notation is an expression of a number using powers of ten. a. meter
a. Standard b. feet
b. Customary c. yard
c. Technical d. inch
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e. mile
a; Easy 40. Which of the following is measured using a derived SI unit?
a. area of a circular plate
34. Which of the following is a fundamental SI unit? b. perimeter of metal ring
a. yard c. an individual’s mass
b. kilogram d. time taken to boil water
c. feet e. diameter of a ball
d. minute a; Easy
e. joule
b; Easy 41. The concept of reporting the proper number of digits in a measurement or a calculation is
called _____.
35. Which of the following is an example of a numerical prefixed SI unit? a. derived units
a. pound b. prefixed units
b. gram c. imprecise representation
c. yard d. loose depiction
d. second e. significant figures
e. centimeter e; Easy
e; Easy
42. Significant figures represent the limits of _____.
36. Fifteen kilometers is equal to _____. a. human ability to approximate the value of a calculation
a. 1500 meters b. what values of a measurement or a calculation we are sure of
b. 150 meters c. the inaccuracy displayed by a measuring instrument
c. 150000 meters d. the population of data used to arrive at a certain conclusion
d. 15000 meters e. methods used to calculate the accuracy of a calculation
e. 0.00015 meters b; Easy
d; Easy
43. Which of the following statements is true about the significance of numbers?
37. Which of the following parameters is measured using a derived SI unit? a. Zeros between non-zero digits are not considered significant.
a. length b. All digits of a number are significant, though their relative importance vary.
b. weight c. Zeros at the end of a number without a decimal point are significant.
c. volume d. Leading zeroes serve only to put the significant digits in the correct positions.
d. time e. Zeros at the end of any number with a decimal point are significant.
e. perimeter e; Easy
c; Easy
44. Which of the following zeros is not significant?
38. Joule (J) is the unit of energy or work in the International System of Units. A joule can be a. Zeros at the end of a number without a decimal point
represented as J = kg×m2÷ s2. Joule is a(n) _____. b. Leading zeros of a decimal number
a. prefixed unit c. Embedded zeros in a decimal number
b. fundamental unit d. Trailing zeros of a decimal number
c. derived unit e. Zeros at the beginning of a decimal number
d. imperial unit b; Easy
e. FTS unit
c; Easy 45. How many significant figures does the measurement ‘0.00030033’ have?
a. 1
39. One liter is _____ of a meter cubed. b. 3
a. 1/1000th c. 4
b. 10th d. 5
c. 100th e. 8
d. 1/100th d; Moderate
e. 1/10th
e; Easy 46. Which of the following measurements has 3 significant figures?
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a. 3670.05 e. 4
b. 50505 e; Easy
c. 0.06067
d. 0.000060 52. How many feet are there in 15 yards?
e. 8.00 x 102 a. 45
e; Easy b. 75
c. 5
47. For the calculation given below, express the final answer to the proper number of d. 10
significant figures. e. 30
1.23 + 18.788 = ? a; Easy
a. 20.018
b. 20.02 53. Expressions used to formally change the unit of a quantity into another unit are called
c. 20.03 _____.
d. 20.029 a. natural expressions
e. 20.02180 b. denominators
b; Moderate c. dimensions
d. conversion factors
48. For the calculation given below, express the final answer to the proper number of e. fundamental ratios
significant figures. d; Easy
56.8003 − 50.1 = ?
a. 6.701 54. Which of the following terms refers to formally changing the unit of a quantity into
b. 6.702 another unit?
c. 6.7 a. fundamental analysis
d. 6.71 b. unit prefixing
e. 6.7003 c. numerical prefixing
c; Moderate d. signifying numbers
e. factor label method
49. For the calculation given below, how many significant figures should the result have? e; Easy
505 ÷ 5.8030 = ?
a. 1 55. Identify the value associated with the prefix milli-.
b. 2 a. 1/100
c. 3 b. 1/1000
d. 4 c. 100
e. 5 d. 1000
c; Easy e. 0.01
b; Easy
50. For the below given calculation, express the final answer to the proper number of
significant figures. 56. What is the liter equivalent of 55.12 μL?
5.8003 × 20.0= ? a. 55120
a. 116 b. 5512
b. 116.1 c. 5.512 × 10−5
c. 116.01 d. 5.512× 10−2
d. 116.006 e. 5.512× 102
e. 116.0060 c; Moderate
a; Moderate
57. How many cubic centimeters are in 0.1 m3?
51. How many significant figures does the number ‘3.303×106’ have? a. 1000
a. 5 b. 100
b. 6 c. 10
c. 10 d. 10000
d. 7 e. 100000
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Version 2 2nd Edition Ball
Chapter 2
Measurements
True/False Questions
1. Standard notation is an expression of a number using powers of 10.
False; Easy
2. 0.000411 is an example of using standard notation to express a number.
True; Easy
3. Meter is the SI unit of measuring length of an object.
True; Easy
4. The multiplicative amount of the prefix nano- is one thousand.
False; Easy
5. Volume of a vessel is measured using a derived unit.
True; Easy
6. One cubic centimeter is equal to a milliliter.
True; Easy
7. Significant figures represent the limits of what values of a measurement or a calculation
we are sure of.
True; Easy
8. Any nonzero digit in a measurement is considered significant.
True; Easy
9. Zeros at the end of a number without a decimal point are considered significant.
False; Easy
10. The number ‘0.006608’ has six significant figures.
False; Easy
11. The number ‘8.6090 x 103’ has only four significant figures.
False; Easy
12. The following calculation is performed with the proper number of significant figures. 124
× 10.45 = 1290
True; Moderate
13. As per the 2010 census, the United States population is estimated to be 308.70 million.
This measurement has four significant figures.
False; Moderate
14. If the operations being performed are multiplication or division, the answer has to be
limited to the number of significant figures that the data value with the most number of
significant figures has.
False; Easy
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d. Scientific
15. The number 9.666 × 106 has four significant figures. e. General
True; Easy d; Easy
16. If the expression X+Y=Z is valid, 10X+10Y=10Z is also valid. 28. Identify the scientific notation of 698.
True; Easy a. 6.98 x 101
b. 6.98 × 102
17. A conversion factor is a fraction that can be used to convert a quantity from one unit to c. 6.98 x 103
another. d. 6.98 × 10-2
True; Easy e. 6.98 × 10-3
b; Easy
18. 555 nm is equivalent to 0.555 mm.
False; Moderate 29. The exponent’s value in scientific notation is equal to:
a. the power of ten the base number is multiplied by.
19. An exact number is a measured value of an estimate or a calculation. b. the number of odd decimal digits in the number expressed in standard notation.
False; Easy c. the number of digits after the decimal point in the number expressed in standard
notation.
20. Temperature is a measure of the average amount of static energy a system contains. d. the number of even decimal digits in the number expressed in standard notation.
False; Easy e. the number of digits in the number expressed in standard notation.
a; Easy
21. On the Fahrenheit scale, the freezing point of liquid water is 32°F, and the boiling point
of water is 212°F. 30. What does a negative exponent of a number imply?
True; Easy a. The number is imaginary.
b. The number’s value is less than one.
22. 0°F is equivalent to -32°C. c. The number is irrational.
False; Moderate d. The number cannot be expressed as a fraction.
e. The given number is a negative number.
23. 30°C is the Celsius equivalent of 86°F. b; Easy
True; Moderate
31. The part of a number in scientific notation that is multiplied by a power of 10 is called the
24. Density is a physical property that is defined as a substance’s mass divided by its volume. _____.
True; Easy a. exponent
b. numerator
25. A ball made of iron has a mass of 3.78 g. If the density of the ball is 7.87 g/cm3, the c. association
volume of the cork is 2.08cm3. d. coefficient
False; Moderate e. denominator
d; Easy
Multiple Choice Questions
32. Which of the following unit systems is commonly used in chemistry?
26. The straightforward expression of a number is referred to as _____ notation. a. FTS system of units
a. standard b. United States customary units
b. scientific c. International System of Units
c. exponential d. British system of Units
d. technical e. System of imperial units
e. methodical c; Easy
a; Easy
33. Which of the following is the SI unit of length?
27. _____ notation is an expression of a number using powers of ten. a. meter
a. Standard b. feet
b. Customary c. yard
c. Technical d. inch
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e. mile
a; Easy 40. Which of the following is measured using a derived SI unit?
a. area of a circular plate
34. Which of the following is a fundamental SI unit? b. perimeter of metal ring
a. yard c. an individual’s mass
b. kilogram d. time taken to boil water
c. feet e. diameter of a ball
d. minute a; Easy
e. joule
b; Easy 41. The concept of reporting the proper number of digits in a measurement or a calculation is
called _____.
35. Which of the following is an example of a numerical prefixed SI unit? a. derived units
a. pound b. prefixed units
b. gram c. imprecise representation
c. yard d. loose depiction
d. second e. significant figures
e. centimeter e; Easy
e; Easy
42. Significant figures represent the limits of _____.
36. Fifteen kilometers is equal to _____. a. human ability to approximate the value of a calculation
a. 1500 meters b. what values of a measurement or a calculation we are sure of
b. 150 meters c. the inaccuracy displayed by a measuring instrument
c. 150000 meters d. the population of data used to arrive at a certain conclusion
d. 15000 meters e. methods used to calculate the accuracy of a calculation
e. 0.00015 meters b; Easy
d; Easy
43. Which of the following statements is true about the significance of numbers?
37. Which of the following parameters is measured using a derived SI unit? a. Zeros between non-zero digits are not considered significant.
a. length b. All digits of a number are significant, though their relative importance vary.
b. weight c. Zeros at the end of a number without a decimal point are significant.
c. volume d. Leading zeroes serve only to put the significant digits in the correct positions.
d. time e. Zeros at the end of any number with a decimal point are significant.
e. perimeter e; Easy
c; Easy
44. Which of the following zeros is not significant?
38. Joule (J) is the unit of energy or work in the International System of Units. A joule can be a. Zeros at the end of a number without a decimal point
represented as J = kg×m2÷ s2. Joule is a(n) _____. b. Leading zeros of a decimal number
a. prefixed unit c. Embedded zeros in a decimal number
b. fundamental unit d. Trailing zeros of a decimal number
c. derived unit e. Zeros at the beginning of a decimal number
d. imperial unit b; Easy
e. FTS unit
c; Easy 45. How many significant figures does the measurement ‘0.00030033’ have?
a. 1
39. One liter is _____ of a meter cubed. b. 3
a. 1/1000th c. 4
b. 10th d. 5
c. 100th e. 8
d. 1/100th d; Moderate
e. 1/10th
e; Easy 46. Which of the following measurements has 3 significant figures?
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a. 3670.05 e. 4
b. 50505 e; Easy
c. 0.06067
d. 0.000060 52. How many feet are there in 15 yards?
e. 8.00 x 102 a. 45
e; Easy b. 75
c. 5
47. For the calculation given below, express the final answer to the proper number of d. 10
significant figures. e. 30
1.23 + 18.788 = ? a; Easy
a. 20.018
b. 20.02 53. Expressions used to formally change the unit of a quantity into another unit are called
c. 20.03 _____.
d. 20.029 a. natural expressions
e. 20.02180 b. denominators
b; Moderate c. dimensions
d. conversion factors
48. For the calculation given below, express the final answer to the proper number of e. fundamental ratios
significant figures. d; Easy
56.8003 − 50.1 = ?
a. 6.701 54. Which of the following terms refers to formally changing the unit of a quantity into
b. 6.702 another unit?
c. 6.7 a. fundamental analysis
d. 6.71 b. unit prefixing
e. 6.7003 c. numerical prefixing
c; Moderate d. signifying numbers
e. factor label method
49. For the calculation given below, how many significant figures should the result have? e; Easy
505 ÷ 5.8030 = ?
a. 1 55. Identify the value associated with the prefix milli-.
b. 2 a. 1/100
c. 3 b. 1/1000
d. 4 c. 100
e. 5 d. 1000
c; Easy e. 0.01
b; Easy
50. For the below given calculation, express the final answer to the proper number of
significant figures. 56. What is the liter equivalent of 55.12 μL?
5.8003 × 20.0= ? a. 55120
a. 116 b. 5512
b. 116.1 c. 5.512 × 10−5
c. 116.01 d. 5.512× 10−2
d. 116.006 e. 5.512× 102
e. 116.0060 c; Moderate
a; Moderate
57. How many cubic centimeters are in 0.1 m3?
51. How many significant figures does the number ‘3.303×106’ have? a. 1000
a. 5 b. 100
b. 6 c. 10
c. 10 d. 10000
d. 7 e. 100000
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