1. Intro to General Chemistry

Metric Prefixes

1. Intro to General Chemistry

Metric Prefixes

Guided videos.

Learn with Jules

Metric Prefixes Example 1

Jules Bruno

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05 - Metric System Prefixes

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Basics of Chemistry: Units of measurement in chemistry

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Metric Prefixes Song by Peter Weatherall

Peter Weatherall

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Practice this topic

Multiple Choice

Which quantity in the following pair is smaller?

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Open Question

Use the prefix multipliers to express each measurement without any exponents.

a) 32 x 10-13 L

b) 7.3 x 106 g

c) 18.5 x 1011 s

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Open Question

Use scientific notation to express each quantity with only the base unit.

a) 83 µm

b) 193 kg

c) 2.7 mmol

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Multiple Choice

If a room has a volume of 1.15 x 10⁸ cm³, what is the volume in km³?

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Textbook Question

Convert 0.055 milliseconds to seconds, and write the answer in scientific notation. (LO 1.3) (a) 5.5 * 10-3 s (b) 5.5 * 10-4 s (c) 5.5 * 10-5 s (d) 5.5 * 10-7 s

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Textbook Question

Which quantity represents the largest mass? (LO 1.4) (a) 2.5 * 107 mg (b) 2.5 * 102 mg (c) 2.5 * 108 ng (d)2.5*10-3kg

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Textbook Question

A mammalian HELA cell has a diameter of 2 * 10-5 m. Report the diameter of the cell using the most appropriate prefix on the base unit of meter. (LO 1.5) (d) 0.2 mm

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Textbook Question

A mammalian HELA cell has a diameter of 2 * 10-5 m. Report the diameter of the cell using the most appropriate prefix on the base unit of meter. (LO 1.5) (c) 200 nm

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Textbook Question

A mammalian HELA cell has a diameter of 2 * 10-5 m. Report the diameter of the cell using the most appropriate prefix on the base unit of meter. (LO 1.5) (b) 20 µm

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Textbook Question

A mammalian HELA cell has a diameter of 2 * 10-5 m. Report the diameter of the cell using the most appropriate prefix on the base unit of meter. (LO 1.5) (a) 2 µm

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Textbook Question

Aerogels are transparent, low-density materials that are nearly 99.8% empty space and excellent insulators against hot and cold. The density of a silica-based aerogel is 3.0 mg/cm3. What is the density in units of g/m3? (LO 1.17) (a) 3.0 * 10-3 g/m3 (b) 3.0 * 101 g/m3 (c) 3.0 g/m3 (d) 3.0 * 103 g/m3

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Textbook Question

The radius of an atom of copper (Cu) is about 140 pm. (a) Express this distance in angstroms 1A 2.

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Textbook Question

Convert the following expressions into exponential notation: (d) 8.3 megagrams (mg).

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Textbook Question

Convert the following expressions into exponential notation: (a) 3 terameters (tm)

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Textbook Question

Use appropriate metric prefixes to write the following measurements without use of exponents: (c) 1.828 * 10-3 s

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Textbook Question

Use appropriate metric prefixes to write the following measurements without use of exponents: (g) 3.552 * 1012 L.

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Textbook Question

Use appropriate metric prefixes to write the following measurements without use of exponents: (d) 3.523 * 109 m3

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Textbook Question

If on a certain year, an estimated amount of 4 million metric tons (1 metric ton = 1000 kg) of nitrous oxide 1N2O2 was emitted worldwide due to agricultural activities, express this mass of N2O in grams without exponential notation, using an appropriate metric prefix.

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Textbook Question

Complete the following equivalent expressions by filling in the blanks. (a) 1 km = ____ m (b) 1m = _____ km (c) 1 mmol = _____ mol (d) 1 mol = _____ mmol

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Textbook Question

Bottles of wine sometimes carry the notation 'Volume = 75 cL. What does the unit cL mean?

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Textbook Question

Which quantity in each of the following pairs is larger? (a) 5.63 * 106 cm or 6.02 * 101 km

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Textbook Question

Which quantity in each of the following pairs is smaller? (c) 2.9 GA or 3.1 * 1015 mA

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Textbook Question

How many microliters are in 1 L? In 20 mL?

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Textbook Question

Carry out the following conversions. (c) 65.2 mg = _____ = g = _____ pg

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Textbook Question

Carry out the following conversions. (b) 8.5 cm^3 = _____ m^3 = _____ mm^3

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Textbook Question

Carry out the following conversions. (a) 5 pm = _____ cm = _____ nm

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Textbook Question

A virus has a diameter of 5.2 * 10-8 m. What is the most appropriate prefix for reporting the diameter of the virus?

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Textbook Question

Using your knowledge of metric units, English units, and the information on the back inside cover, write down the conversion factors needed to convert (c) mg to g

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Textbook Question

Using your knowledge of metric units, English units, and the information on the back inside cover, write down the conversion factors needed to convert (c) ps to s

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Textbook Question

Use the prefix multipliers to express each measurement without exponents. a. 1.2 * 10 - 9 m b. 22 * 10 - 15 s c. 1.5 * 109 g d. 3.5 * 106 L

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Textbook Question

Use the prefix multipliers to express each measurement without exponents. a. 1.2 * 10 - 9 m b. 22 * 10 - 15 s c. 1.5 * 109 g d. 3.5 * 106 L

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Textbook Question

Use the prefix multipliers to express each measurement without exponents. a. 1.2 * 10 - 9 m b. 22 * 10 - 15 s c. 1.5 * 109 g d. 3.5 * 106 L

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Textbook Question

Use the prefix multipliers to express each measurement without exponents. a. 1.2 * 10 - 9 m b. 22 * 10 - 15 s c. 1.5 * 109 g d. 3.5 * 106 L

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Textbook Question

Use prefix multipliers to express each measurement without exponents. a. 38.8 * 105 g b. 55.2 * 10 - 10 s c. 23.4 * 1011 m d. 87.9 * 10 - 7 L

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Textbook Question

Use prefix multipliers to express each measurement without exponents. a. 38.8 * 105 g b. 55.2 * 10 - 10 s c. 23.4 * 1011 m d. 87.9 * 10 - 7 L

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Textbook Question

Use scientific notation to express each quantity with only base units (no prefix multipliers). a. 4.5 ns b. 18 fs c. 128 pm d. 35 mm

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Textbook Question

Use scientific notation to express each quantity with only base units (no prefix multipliers). a. 4.5 ns b. 18 fs c. 128 pm d. 35 mm

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Textbook Question

Use scientific notation to express each quantity with only base units (no prefix multipliers). a. 35 mL b. 225 Mm c. 133 Tg d. 1.5 cg

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Textbook Question

Complete the table. a. 1245 kg 1.245 * 106 g 1.245 * 109 mg b. 515 km _____dm _____cm c. 122.355 s _____ms _____ks d. 3.345 kJ _____J _____mJ

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Textbook Question

Complete the table. a. 1245 kg 1.245 * 106 g 1.245 * 109 mg b. 515 km _____dm _____cm c. 122.355 s _____ms _____ks d. 3.345 kJ _____J _____mJ

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Textbook Question

Complete the table. a. 1245 kg 1.245 * 106 g 1.245 * 109 mg b. 515 km _____dm _____cm c. 122.355 s _____ms _____ks d. 3.345 kJ _____J _____mJ

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Textbook Question

Complete the table. a. 1245 kg 1.245 * 106 g 1.245 * 109 mg b. 515 km _____dm _____cm c. 122.355 s _____ms _____ks d. 3.345 kJ _____J _____mJ

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Textbook Question

Complete the table. a. 355 km>s _____cm>s _____m>ms b. 1228 g>l _____g>ml _____kg>ml c. 554 mK>s _____K>s _____mK>ms d. 2.554 mg>ml _____g>l _____mg>ml

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Textbook Question

Express the quantity 254,998 m in each unit. a. km b. Mm c. mm d. cm

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Textbook Question

Express the quantity 556.2 * 10 - 12 s in each unit. a. ms b. ns c. ps d. fs

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Textbook Question

A house has an area of 195 m2. What is its area in each unit? a. km2 b. dm2 c. cm2

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Textbook Question

A house has an area of 195 m2. What is its area in each unit? a. km2 b. dm2 c. cm2

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Textbook Question

A house has an area of 195 m2. What is its area in each unit? a. km2 b. dm2 c. cm2

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Textbook Question

A bedroom has a volume of 115 m3. What is its volume in each unit? a. km3 b. dm3 c. cm3

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Textbook Question

Concentrations of substances dissolved in solution are often expressed as mass per unit volume. For example, normal human blood has a cholesterol concentration of about 200 mg/100 mL. Express this concentration in the following units. (a) mg/L

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Open Question

Complete each row of the table below by filling in the missing prefix or missing exponent.

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