Chemsitryh Section Review(W/Answers)

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Modern Chemistry

Study Guide

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Date

Class

CHAPTER 1 REVIEW

Matter and Change
SECTION 1
SHORT ANSWER
1.

Technological development of a chemical product often
(a)
(b)
(c)
(d)

2.

develop new products.
make money.
understand an environmental problem.
gain knowledge.

Applied research is designed to
(a)
(b)
(c)
(d)

4.

lags behind basic research on the same substance.
does not involve chance discoveries.
is driven by curiosity.
is done for the sake of learning something new.

The primary motivation behind basic research is to
(a)
(b)
(c)
(d)

3.

Answer the following questions in the space provided.

solve a particular problem.
satisfy curiosity.
gain knowledge.
learn for the sake of learning.

Chemistry is usually classified as
(a)
(b)
(c)
(d)

a biological science.
a physical science.
a social science.
a computer science.

5. Define the six major branches of chemistry.

MODERN CHEMISTRY
Copyright © by Holt, Rinehart and Winston. All rights reserved.

MATTER AND CHANGE

1

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SECTION 1 continued

6. For each of the following types of chemical investigations, determine whether the investigation is basic research, applied research, or technological development. More than one choice may apply. a. A laboratory in a major university surveys all the

reactions involving bromine.
b. A pharmaceutical company explores a disease in
order to produce a better medicine.
c. A scientist investigates the cause of the ozone hole to
find a way to stop the loss of the ozone layer.
d. A pharmaceutical company discovers a more
efficient method of producing a drug.
e. A chemical company develops a new biodegradable
plastic.
f. A laboratory explores the use of ozone to inactivate
bacteria in a drinking-water system.
7. Give examples of two different instruments routinely used in chemistry.

8. What are microstructures?

9. What is a chemical?

10. What is chemistry?

2

MATTER AND CHANGE

MODERN CHEMISTRY
Copyright © by Holt, Rinehart and Winston. All rights reserved.

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CHAPTER 1 REVIEW

Matter and Change
SECTION 2
SHORT ANSWER

Answer the following questions in the space provided.

1. Classify each of the following as a homogeneous or heterogeneous substance. a. iron ore
b. quartz
c. granite
d. energy drink
e. oil-and-vinegar salad dressing
f. salt
g. rainwater
h. nitrogen
2. Classify each of the following as a physical or chemical change. a. ice melting
b. paper burning
c. metal rusting
d. gas pressure increasing
e. liquid evaporating
f. food digesting
3. Compare a physical change with a chemical change.

MODERN CHEMISTRY
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MATTER AND CHANGE

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SECTION 2 continued

4. Compare and contrast each of the following terms:
a. mass and matter

b. atom and compound

c. physical property and chemical property

d. homogeneous mixture and heterogeneous mixture

5. Using circles to represent particles, draw a diagram that compares the arrangement of particles in the solid, liquid, and gas states.

Solid

Liquid

Gas

6. How is energy involved in chemical and physical changes?

4

MATTER AND CHANGE

MODERN CHEMISTRY
Copyright © by Holt, Rinehart and Winston. All rights reserved.

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CHAPTER 1 REVIEW

Matter and Change
SECTION 3
SHORT ANSWER

Answer the following questions in the space provided.

1. A horizontal row of elements in the periodic table is called a(n)

.

2. The symbol for the element in Period 2, Group 13, is

.

3. Elements that are good conductors of heat and electricity are

.

4. Elements that are poor conductors of heat and electricity are

.

5. A vertical column of elements in the...
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