QuantityBase UnitUnit Abbreviation 1. Time 2. Mass 3. Temperature 4. Length 5. Amount of a substance

Quantity Base Unit

Unit Abbreviati

on1. Time

2. Mass

3. Temperature

4. Length

5. Amount of a substance

Prefix Abbreviation

Equals Scientific Notation

giga G

mega M

kilo k

deci d

centi c

milli m

micro µ

nano n

pico p

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M

kilo k

deci d

centi c

milli m

micro µ

nano n

pico p

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M 1,000,000 ?

kilo k

deci d

centi c

milli m

micro µ

nano n

pico p

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M 1,000,000 106

kilo k 1000 ?

deci d

centi c

milli m

micro µ

nano n

pico p

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M 1,000,000 106

kilo k 1000 103

deci d 1/10 or 0.1 ?

centi c

milli m

micro µ

nano n

pico p

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M 1,000,000 106

kilo k 1000 103

deci d 1/10 or 0.1 10-1

centi c 1/100 (0.01) ?

milli m

micro µ

nano n

pico p

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M 1,000,000 106

kilo k 1000 103

deci d 1/10 or 0.1 10-1

centi c 1/100 (0.01) 10-2

milli m 1/1000 (0.001)

?

micro µ

nano n

pico p

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M 1,000,000 106

kilo k 1000 103

deci d 1/10 or 0.1 10-1

centi c 1/100 (0.01) 10-2

milli m 1/1000 (0.001)

10-3

micro µ 1/1,000,000 (0.000001)

?

nano n

pico p

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M 1,000,000 106

kilo k 1000 103

deci d 1/10 or 0.1 10-1

centi c 1/100 (0.01) 10-2

milli m 1/1000 (0.001)

10-3

micro µ 1/1,000,000 (0.000001)

10-6

nano n 1/1,000,000,000 (0.000000001)

?

pico p

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M 1,000,000 106

kilo k 1000 103

deci d 1/10 or 0.1 10-1

centi c 1/100 (0.01) 10-2

milli m 1/1000 (0.001)

10-3

micro µ 1/1,000,000 (0.000001)

10-6

nano n 1/1,000,000,000 (0.000000001)

10-9

pico p 1/1,000,000,000,000

?

Prefix Abbreviation

Equals Scientific

Notation

giga G 1,000,000,000

109

mega M 1,000,000 106

kilo k 1000 103

deci d 1/10 or 0.1 10-1

centi c 1/100 (0.01) 10-2

milli m 1/1000 (0.001)

10-3

micro µ 1/1,000,000 (0.000001)

10-6

nano n 1/1,000,000,000 (0.000000001)

10-9

pico p 1/1,000,000,000,000

10-12

Base units are defined units based on an object or event in the physical world:

1.Meter = distance light travels through a vacuum in 1/299,792,458 of a second (or 2.99792458 x 10-8 seconds)

2.Kilogram = mass of a platinum-iridium cylinder that is stored at constant temperature and humidity

Units made up of a combination of base units:

1.Speed = meters/second2.Volume =

1. cubic meter (m3) or cubic centimeter (cm3)

2. Liter (or cubic decimeter – dm3)3. How is this a combination of base units?

3.Density = mass/volume (g/mL or g/cm3 )

You have a cylinder with a volume of 150 mL and a mass of 75 g. What is its density?

1.Known values:1. V = 150 mL2. m = 75 g

2.Formula1. Density = mass/volume = 75 g/150 mL2. Density = 0.5 g/mL

If d=m/V, rearrange the formula to solve for m. m = ?

If d = m/V, rearrange the foemula to solve for V. V = ?

Example Problem (p.29) Assignment: Practice Problems

(p.29)