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)

molecu

le atom

substa

nce

compound

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1. molecule2. atom3. substance4. compound

Which of the following is not a pure substance?

Element

Molecu

le

Compound

Mixt

ure

0% 0%0%0%

1. Element2. Molecule3. Compound4. Mixture

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Which of the following is a mixture?

Air

Sodium ch

lorid...

Pure Wate

r

Sulfu

r

0% 0%0%0%

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1. Air2. Sodium chloride3. Pure Water 4. Sulfur

Which of the following is not a homogeneous mixture?

1. silve

r

2. salt w

ater 3. te

a

4. clear le

mon...

0% 0%0%0%

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1. silver 2. salt water3. tea 4. clear lemon-lime

soda

________ is an example of matter, while _______ is not matter.

Heat; paper

Sound; su

nligh...

Sunglasse

s; wa...

Air; su

nlight

0% 0%0%0%

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1. Heat; paper2. Sound; sunlight3. Sunglasses; water4. Air; sunlight

7.1 Solutions and Other Mixtures

One example of a heterogeneous mixture is

muddy w

ater.

plain water.

salt w

ater. air.

0% 0%0%0%

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1. muddy water. 2. plain water. 3. salt water. 4. air.

Some rubbing alcohol is a uniform mixture of isopropanol and water. This mixture

is a s

olution....

settles o

ut up...

is heterogeneo...

is im

miscible.

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1. is a solution. 2. settles out upon

standing. 3. is heterogeneous. 4. is immiscible.

Particles in a _______ can be separated by filtration.

alloy

solution

susp

ension

all of th

e abo...

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1. alloy2. solution3. suspension4. all of the above

Cinnamon sugar can be best classified as a(n)

element

compound

homogeneous mi...

heterogeneous ...

0% 0%0%0%

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1. element2. compound3. homogeneous

mixture4. heterogeneous

mixture

Carbon is an example of a

Element

Compound

Pure substa

nce

Both 1 & 3

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1. Element2. Compound3. Pure substance4. Both 1 & 3

2.2 Properties of Matter

Which of the following statements does not describe a physical property of iron?

Iron is

denser...

Iron m

elts at ..

.

Iron ca

n be fo...

Iron re

acts w

i...

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1. Iron is denser than aluminum.

2. Iron melts at 1535°C. 3. Iron can be formed into

different shapes.4. Iron reacts with strong

acids.

All of the following are units for density except

g/mL3

g/mL

g/cm

3 g/

L

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1. g/mL3

2. g/mL3. g/cm3

4. g/L

Which of the following is not a physical property of matter?

Boiling p

oint

Flammabilit

y

Solubilit

y (ho...

Density

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1. Boiling point2. Flammability3. Solubility (how well

something dissolves)

4. Density

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

0% 0%0%0%

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1. 400 mL2. 0.20 mL3. 5.0 mL4. 54 mL

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/cm

3

0.73 g/cm

3

2.1 g/cm

3

1.4 g/cm

3

0% 0%0%0%

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1. 1100 g/cm3

2. 0.73 g/cm3

3. 2.1 g/cm3

4. 1.4 g/cm3

2.3 Changes of Matter

Which of the following is a physical change?

Melting i

ce cu

...

Burning paper

Rusting i

ron

Burning gaso

li...

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1. Melting ice cubes2. Burning paper3. Rusting iron4. Burning gasoline

One property of all mixtures is that they

can be se

parat...

contain a defi...

contain ch

emi...

are solutions.

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1. can be separated without chemical changes.

2. contain a definite ratio of elements.

3. contain chemically combined elements.

4. are solutions.

All of the following are indicators of chemical changes except that

gas is

release...

light a

nd soun...

the su

bstance

s...

new substa

nces...

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1. gas is released.2. light and sound are

released. 3. the substances

don’t change.4. new substances are

formed.

Which of the following is not a physical way to separate a mixture?

using a m

agnet t

o pick ..

heating the m

ixture until ..

passing th

e mixture th

r...

spinning t

he mixt

ure in ...

0% 0%0%0%

1. using a magnet to pick up one part of the mixture

2. heating the mixture until it burns

3. passing the mixture through a filter

4. spinning the mixture in a centrifuge

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Which of the following is least likely to be a sign that a chemical change is taking place?

A bright fl

ame...

Bubbles of g

as...

A solution ch

a...

Spille

d rubbin...

0% 0%0%0%

1. A bright flame is produced.

2. Bubbles of gas are released.

3. A solution changes from colorless to red.

4. Spilled rubbing alcohol seems to disappear.

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3.1 Matter and Energy

Which segment represents the solid state only?

A to B

B to C

C to D

D to E

0% 0%0%0%

1. A to B2. B to C3. C to D4. D to E

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Which segment represents evaporation?

A to B

B to C

C to D

D to E

0% 0%0%0%

1. A to B2. B to C3. C to D4. D to E

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What is happening to the particles during segments D to E?

Moving fa

ster

Spread

ing apar...

Moving fa

ster ..

.

Moving slo

wer ...

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1. Moving faster2. Spreading apart3. Moving faster and

spreading apart4. Moving slower and

closer together

Freezing/solidification is a ____ change because ___.

Endotherm

ic; h...

Exoth

ermic;

he...

Endotherm

ic; h...

Exoth

ermic;

he...

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1. Endothermic; heat energy is gained

2. Exothermic; heat energy is lost

3. Endothermic; heat energy is lost

4. Exothermic; heat energy is gained

Which of the following is not a part of the kinetic theory of matter?

Higher p

otenti...

Higher t

empera...

Large parti

cle...

All matter is

...

0% 0%0%0%

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1. Higher potential energy means higher temperatures

2. Higher temperatures make particles move faster

3. Large particles move more slowly

4. All matter is made of particles