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Chemistry 201 Chapter 1

Total questions: 83

Worksheet time: 44mins

Name
Class
Date
1.

What is the definition of Scientific Method?

a)

Tentative explanation for a set of observations

b)

Systematic Approach to research

c)

Use standardizes symbols and equations so everyone else can learn about your observations

d)

Hypothesis, Theories, and laws

2.

What is the definition of Hypothesis?

a)

Systematic approach to research

b)

Tentative explanation for a set of observations

c)

Collect Data

d)

Form of matter that has definite composition and distinct properties

3.

What are the three levels for studying chemistry (Or any subject) according to scientific method?

a)

Theory

b)

Observation

c)

Representation

d)

Interpretation

e)

Element

4.

What is the definition of Representation?

a)

Systematic approach to research

b)

Collect Data

c)

Use standardizes symbols and equations so everyone else can learn about your observations

d)

Tentative explanation for a set of observations

5.

What is the definition of Observation?

a)

Systematic approach to research

b)

Collect Data

c)

Hypothesis, Theories, and Laws

d)

Unifying principle that explains a body of facts

6.

What is the definition of Interpretation?

a)

Collect Data

b)

Systematic approach to research

c)

Hypothesis, Theories, and Laws

d)

Unifying principle that explains a body of facts

7.

What is the definition of Theory?

a)

Unifying principle that explains a body of facts

b)

Collect Data

c)

Systematic approach to research

d)

Concise statement of a relationship between phenomena that is always the same under the same conditions

8.

What is the definition of Law?

a)

Unifying principle that explains a body of facts

b)

Concise statement of a relationship between phenomena that is always the same under the same conditions

c)

Study of matter and the changes it undergoes

d)

Substance that cannot be separated

9.

What is the definition of Matter?

a)

Use standardizes symbols and equations so everyone else can learn about your observations

b)

Anything that occupies space and has mass

c)

Form of matter that has definite composition and distinct properties

d)

Hypothesis, Theories, and Laws

10.

What is the definition of Chemistry?

a)

Study of matter and the changes it undergoes

b)

Collect Data

c)

Tentative explanation for a set of observations

d)

Use standardizes symbols and equations so everyone else can learn about your observations

11.

What is the definition of Substance?

a)

Study of matter and the changes it undergoes

b)

Form of matter that has definite composition and distinct properties

c)

Substance that cannot be separated into simpler substances by chemical means

d)

Concise statement of a relationship between phenomena that is always the same under the same conditons

12.

What is the definition of Element?

a)

Substance that cannot be separated into simpler substances by chemical means

b)

Study of matter and the changes it undergoes

c)

Anything that occupies space and has mass

d)

Tentative explanation for a set of observations

13.

What is the definition of Mixtures?

a)

Study of matter and the changes it undergoes

b)

Blends of two or more substances where the individual substances are not chemically changed

c)

Unifying principle that explains a body of facts

d)

Concise statement of a relationship between phenomena that is always the same under the same conditions

14.

What is the definition of a Heterogenous Mixture?

a)

Mixture is not uniform, so different regions have different compositions

b)

Form of matter that has definite composition and distinct properties

c)

Mixing is uniform, there is a constant composition throughout

d)

Substance that cannot be separated into simpler substances by chemical means

15.

What is the definition of Homogeneous Mixture?

a)

Mixing is uniform, there is a constant composition throughout

b)

Mixture is not uniform, so different regions have different compositions

c)

Blends of two or more substances where the individual substances are not chemically changed

d)

Study of matter and the changes it undergoes

16.

Which of the Following Characteristics Describe a Gas?

a)

No Fixed shape

b)

Held together by rigid arrangement

c)

Particles move around freely

d)

Weak Forces from each other

e)

Strong Forces with each other

17.

Which of the following describes a Solid?

a)

Forces between particles are very strong

b)

Particles held together in rigid arrangement

c)

Forces between particles are very very weak

d)

Particles are held together by attractive forces

18.

Which of the following describes a Liquid?

a)

Particles are held together with rigid arrangement

b)

Particles are freely move around one another and over one another

c)

No fixed shape

d)

Have very weak forces that hold them together

e)

Particles are held together by attractive forces

19.

What is the definition of Substances?

a)

Composed of a single atom or chemical compound

b)

Composed of a single type of atom, all of which have the same number of protons

c)

Study of matter and the changes it undergoes

d)

Pure substances formed when two or more atoms of different elements combine to form a new species with different properties from the elements

20.

What is the definition of Elements?

a)

Pure Substances formed when two or more atoms of different elements combine to form a new species with different properties from the elements.

b)

Composed of a single type of atom, all of which have the same number of protons

c)

Mixture is not uniform, so different regions have different compositions

d)

Composed of a single atom or chemical compound

21.

What is the definition of a Compound?

a)

Composed of a single atom or chemical compound

b)

Pure Substance formed when two or more atoms of different elements combine to form a new species with different properties from the elements.

c)

Composed of a single type of atom, all of which have the same number of protons

d)

Substance that cannot be separated into simpler substances by chemical means

22.

What is the definition of Intensive Properties?

a)

Independent of sample size

b)

Dependent on sample size

c)

Hypothesis, Theories, and Laws

d)

Composed of a single type of atom or chemical compound

23.

What is the definition of Extensive Properties?

a)

Independent of Sample Size

b)

Dependent of Sample Size

c)

Hypothesis, Theories, and Laws

d)

Collect Data

24.

What is the definition of Mass?

a)

Force of gravity exerts on an object

b)

Measure of the quantity of matter

c)

Substance that cannot be separated into simpler substances by chemical means

d)

Study of matter and the changes it undergoes

25.

What is the definition of Weight?

a)

Force of gravity exerts on an object

b)

Measure of the quality of matter

c)

Unifying principle that explains a body of facts

d)

Form of matter that has definite composition and distinct properties

26.

What is the symbol for Meter?

a)

m

b)

Mg

c)

M

d)

s

27.

What is the symbol for Kilogram?

a)

KG

b)

Kg

c)

kg

d)

S

28.

What is the symbol for Secound?

a)

s

b)

S

c)

Sec

d)

sec

29.

What is the Symbol for tetra-?

a)

T

b)

t

c)

TE

d)

Te

30.

What is the symbol for giga-?

a)

G

b)

g

c)

Gi

d)

GI

31.

What is the symbol for giga-?

a)

G

b)

g

c)

Gi

d)

GI

32.

What is the symbol for mega-?

a)

M

b)

m

c)

Me

d)

ME

33.

What is the symbol for kilo-?

a)

K

b)

k

c)

KI

d)

ki

34.

What is the symbol for deci-?

a)

D

b)

d

c)

DE

d)

de

35.

What is the symbol for centi-?

a)

C

b)

c

c)

CE

d)

Ce

36.

What is the symbol for milli-?

a)

M

b)

m

c)

MI

d)

mi

37.

What is the symbol for milli-?

a)

M

b)

m

c)

MI

d)

mi

38.

What is the symbol for micro-?

a)

m

b)

M

c)

Upside down u

d)

Upside down U

39.

What is the symbol for nano-?

a)

n

b)

N

c)

NA

d)

Na

40.

What is the symbol for pico-?

a)

P

b)

p

c)

Pi

d)

PI

41.

Which Prefix has a power of 12 (10^12)?

a)

giga-

b)

mega-

c)

tera-

d)

kilo-

42.

Which Prefix has a power of 9 (10^9)?

a)

giga-

b)

tetra-

c)

kilo-

d)

centi-

43.

Which Prefix has a power of 6 (10^6)?

a)

tetra-

b)

giga-

c)

mega-

d)

kilo-

44.

Which Prefix has a power of 3 (10^3)?

a)

giga-

b)

kilo-

c)

tetra-

d)

centi-

45.

Which Prefix has a power of -1(10^-1)?

a)

tetra-

b)

kilo-

c)

centi-

d)

deci-

46.

Which Prefix has a power of -2 (10^-2)?

a)

kilo-

b)

centi-

c)

deci-

d)

tetra-

47.

Which Prefix has a power of -3 (10^-3)?

a)

milli-

b)

kilo-

c)

centi-

d)

giga-

48.

Which Prefix has a power of -6(10^-6)?

a)

centi-

b)

tetra-

c)

micro-

d)

deci-

49.

Which Prefix has a power of -9 (10^-9)?

a)

centi-

b)

kilo-

c)

nano-

d)

pico-

50.

Which Prefix has a power of -12 (10^-12)?

a)

tetra-

b)

pico-

c)

centi-

d)

nano-

51.

What is the Formula for Density?

a)

mass/volume

b)

volume/mass

c)

weight/volume

d)

volume/weight

52.

Which of the following is not a unit of Volume?

a)

cm^3

b)

mL

c)

L

d)

G

53.

Which of the following is a typical unit of Volume for Solids?

a)

Cm^3

b)

ML

c)

Mg

d)

mL

54.

Which of the following is a typical unit of Volume of Liquids?

a)

mL

b)

ML

c)

Mg

d)

Cm^3

55.

Which of the following is a typical unit of Volume of Gases?

a)

Cm^3

b)

mL

c)

ML

d)

L

56.

What is the boiling point of water for Kelvin?

a)

373 K

b)

212 K

c)

273 K

d)

100 K

57.

What is the boiling point of water in Fahrenheit?

a)

373 F

b)

212 F

c)

100 F

d)

180 F

58.

What is the boiling point of water in Celsius?

a)

373 C

b)

180 C

c)

100 C

d)

273 C

59.

What is the Freezing Point of water in Kelvin?

a)

273 K

b)

180 K

c)

100 K

d)

373 K

60.

What is the Freezing Point of Water in Fahrenheit?

a)

32 F

b)

36 F

c)

100 F

d)

22 F

61.

What is the Freezing Point of Water in Celsius?

a)

80 C

b)

180 C

c)

0 C

d)

20 C

62.

What is the Formula for Converting to Kelvin?

a)

C + 273.15

b)

C - 270.3

c)

C x 200.0

d)

C + 274.18

63.

What is the Formula to determine Fahrenheit?

a)
b)
c)
d)
64.

What is the formula for Celsius?

a)
b)
c)
d)
65.

How many inches are in a foot?

a)

10 inches

b)

12 inches

c)

3 inches

d)

40 inches

66.

How many centimeters are in one inch?

a)

2.35 cm

b)

2.54 cm

c)

1 cm

d)

12 cm

67.

1mL is equal to what?

a)

1 cm^3

b)

2 cm^3

c)

4 cm^4

d)

10 cm^6

68.

What is the formula for Volume?

a)

V=At

b)

V=Ah

c)

V=W/H

d)

V=M/V

69.

What does the Law Conservation of Mass State?

a)

Mass is neither created nor destroyed in chemical reactions

b)

Mass is created and destroyed

c)

Mass is the same and weight is the same of a compound

d)

Compounds stay the same

70.

What does the Law of Definite Proportions State?

a)

Mass is neither created nor destroyed in chemical reactions

b)

Different samples of pure chemical substances always contain the same proportion of elements by mass

c)

Same samples of different chemical substances contain the same proportions of elements by mass

d)

Mass is destroyed and created

71.

What does the Law of Multiple Proportions State?

a)

Mass is neither created nor destroyed

b)

Elements can combine in different ways to form different substances, whose mass ratios are small whole-number multiples of each other

c)

Elements combine in similar ways to form similar substances, whose mass ratios are large whole-number multiples of each other

d)

Mass is created and destroyed

72.

What is true about Electrons?

a)

They have the same mass

b)

Every Electron has a different mass

c)

Same Charge

d)

Different Charge

73.

What is the charge of Protons?

a)

-1

b)

+1

c)

0

d)

-0

74.

What is the charge of Neutrons?

a)

0

b)

+1

c)

-1

d)

+2

75.

What is the charge of Electrons?

a)

+1

b)

-1

c)

0

d)

-2

76.

What are the types of Radioactivity?

a)

Alpha Rays

b)

Gamma Rays

c)

Beta Rays

d)

Uranium Rays

77.

How do you calculate the mass number?

a)

Number of Protons and Neutrons in Nucleus

b)

Number of Electrons and Protons in Nucleus

c)

Number of Neutrons and Electrons in Nucleus

d)

Number of atoms that are in the element

78.

What is Avogadro's Number?

a)

6.033 x 10^23

b)

6.022 x10^23

c)

6.024 x 10^20

d)

6.056 x 10^22

79.

What kind of charge does a Cation have?

a)

Negative

b)

Positive

c)

Neutral

d)

No charge

80.

What kind of charge does a Anion have?

a)

Positive

b)

Negative

c)

Neutral

d)

No Charge

81.

What is Molecular Mass?

a)

Average mass of a molecular of a substance

b)

Average mass of one formula unit of an ionic compound

c)

Average mass of one mole of a substance

d)

Average mass of 10 moles of a substance

82.

What is Formula Mass?

a)

Average mass of one mole of a substance

b)

Average mass of one formula unit of an ionic compound

c)

Average mass of two formula unit of a covalent bond

d)

Average mass of a molecular of a substance

83.

What is molar mass?

a)

Average mass of one mole of a substance

b)

Average mass of a molecular of a substance

c)

Average mass of one formula unit of an ionic compound

d)

Average mass of 10 moles of a substance

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