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HC: Fall Semester Review Part 1 (2023)

Total questions: 229

Worksheet time: 4hrs 49mins

Name
Class
Date
1.

The measurement with ruler A needs to be made to the ​ (a)   place value.

Choose from the below words
tenths
hundredths
ones
tens
thousandths
2.

The measurement with ruler B needs to be made to the ​ (a)   place value.

Choose from the below words
tenths
hundredths
ones
tens
thousandths
3.

What is the length of the object in the image?

a)

3 cm

b)

3.1 cm

c)

3.6 cm

d)

3.55 cm

4.

The liquid in the graduated cylinder needs to be measured to the ​ (a)   place.

Choose from the below words
ones
tens
hundreds
tenths
hundredths
thousandths
5.

What is the measurement of the liquid in the graduated cylinder?

(a)  

6.

What is the measurement of the liquid in the graduated cylinder?

a)

4.49 mL

b)

4.700 mL

c)

4.5 mL

d)

4.69 mL

7.

Place the beam options in the order in which they are measured on a triple beam balance.

a)

hundreds

b)

tens

c)

ones

1)
2)
3)
8.

What is the measurement given by the triple beam balance?

a)

37.581 g

b)

37.6 g

c)

37.58 g

d)

37.506 g

9.

What is the measurement given by the triple beam balance?

a)

43.00 g

b)

43 g

c)

43.0 g

d)

40.3 g

10.

What is the measurement given by the triple beam balance?

(a)  

11.

Which of the following measurements is most precise?

a)

1.065 cm

b)

1.07 cm

c)

1.0 cm

d)

1.0650 cm

12.

Your lab has 3 digital balances and you periodically check them against a 50.00 gram mass standard to monitor their accuracy and precision.


You place the 50.00 g weight on each balance three times and record the masses they read.


Balance #1: 49.67 g ; 50.32 g ; 49.85 g


Balance #2: 47.83 g ; 58.35 g ; 36.87 g


Balance #3: 53.24 g ; 53.25 g ; 53.15 g


Which balance would be described as precise, but not accurate?

a)

1

b)

2

c)

3

13.

Your lab has 3 digital balances and you periodically check them against a 50.00 gram mass standard to monitor their accuracy and precision.


You place the 50.00 g weight on each balance three times and record the masses they read.


Balance #1: 49.67 g ; 50.32 g ; 49.85 g


Balance #2: 47.83 g ; 58.35 g ; 36.87 g


Balance #3: 53.24 g ; 53.25 g ; 53.15 g


Which balance would be described as both accurate and precise?

a)

1

b)

2

c)

3

14.

Your lab has 3 digital balances and you periodically check them against a 50.00 gram mass standard to monitor their accuracy and precision.


You place the 50.00 g weight on each balance three times and record the masses they read.


Balance #1: 49.67 g ; 50.32 g ; 49.85 g


Balance #2: 47.83 g ; 58.35 g ; 36.87 g


Balance #3: 53.24 g ; 53.25 g ; 53.15 g


Which balance would be described as neither accurate nor precise?

a)

1

b)

2

c)

3

15.

How many significant figures are in 0.0012?

(a)  

16.

How many significant digits are in 5006?

(a)  

17.

How many significant figures are in 3.20?

(a)  

18.

How many significant figures are in 1080?

(a)  

19.

How many significant figures are in 82,000?

(a)  

20.

Round to 3 significant figures:


25,360

(a)  

21.

Round to 3 significant figures:


0.2356

(a)  

22.

Round to 4 significant figures:


85.9964

(a)  

23.

Round to 2 significant figures:


890.7

(a)  

24.

Round to the correct significant figures:


240.67+ 311

(a)  

25.

Round your answer to the correct number of significant digits.


623.967+ 888.9

(a)  

26.

Round your answer to the correct number of significant digits.

4869.03 - 574.1

(a)  

27.

Round your answer to the correct number of significant digits.

389.3 - 65.09

(a)  

28.

How many Sig Figs in your answer?


7.62 x 6.98 x 3.2645

(a)  

29.

Round your answer to the correct number of sig figs.


1.23 x 0.89

(a)  

30.

Round your answer to the correct number of sig figs.


3.25 x 10.28

(a)  

31.

Round your answer to the correct number of significant digits.

739.2/374.02

(a)  

32.

0.4924/0.0354

(a)  

33.

Matter can be classified in:

a)

Mixtures and Compounds

b)

Substances and Elements

c)

Mixtures and Substances

d)

Elements and compounds

34.

Substances are classified in Elements and (a)  

35.

NH3 is a:

a)

Mixture

b)

Element

c)

Compound

d)

Particle

36.

Mixtures are divided in homogeneous and (a)  

37.

Water and sugar dissolved is an example of:

a)

Compound

b)

Homogeneous mixture

c)

Substance

d)

Heterogeneous mixture

38.

A chocolate chip cookie is an example of:

a)

Substance

b)

Compound

c)

Homogeneous mixture

d)

Heterogeneous mixture

39.

What mixture is an heterogeneous mixture?

a)

Soluble coffee in water

b)

Sand and water

c)

Perfume

d)

Apple juice

40.

The mixtures where the components can be distinguished at simple sight

a)

Homogeneous

b)

Heterogeneous

c)

Homogeneous and heterogeneous

d)

None

41.

The mixtures where components CAN NOT be distinguished at simple sight:

a)

Homogeneous

b)

Heterogeneous

c)

Homogeneous and heterogeneous

d)

None

42.

The atmosphere is:

a)

Mixture

b)

Substance

c)

Element

d)

Compound

43.

Tap water is:

a)

Homogeneous mixture

b)

Heterogeneous mixture

c)

Substance

d)

Compound

44.

Matter is anything that has ​ (a)   ​ and ​ (b)   .

Choose from the below words
mass
volume
atoms
substance
compound
mixture
45.

What is the difference between a compound and a mixture?

a)

A mixture can be physically separated, a compound cannot.

b)

A compound can be physically separated, a mixture cannot.

c)

A compound is made up of elements, a mixture cannot have elements.

d)

A mixture is made up of elements, a compound cannot have elements.

46.

Which of the following particle diagrams represents a mixture of elements?

a)

b)

c)

d)

47.

Which of the following particle diagrams represents a compound?

a)
b)
c)
d)
48.

Match the macro-level properties with each state of matter.

a)

Definite Shape

Definite Volume

1.

Solid

b)

Indefinite Shape

Definite Volume

2.

Liquid

c)

Indefinite Shape

Indefinite Volume

3.

Gas

49.

Match the micro-level properties with each state of matter.

a)

Particles are touching.

Particles are stationary.

1.

Solid

b)

Particles are touching.

Particles can slide past each other.

2.

Liquid

c)

Particles are apart from each other.

Particles move freely.

3.

Gas

50.

Which type of matter is represented in the image?

a)

Solid

b)

Liquid

c)

Gas

51.

Which type of matter is represented in the image?

a)

Solid

b)

Liquid

c)

Gas

52.

Which type of matter is represented in the image?

a)

Solid

b)

Liquid

c)

Gas

53.

Which of the states of matter has the HIGHEST energy level?

a)

Solid

b)

Liquid

c)

Gas

54.

Which of the states of matter has the LOWEST energy level?

a)

Solid

b)

Liquid

c)

Gas

55.

Reorder the following states of matter from least to greatest energy.

a)

b)

c)

1)
2)
3)
56.

What phase change is represented in the image?

a)

melting

b)

evaporation

c)

freezing

d)

condensation

e)

sublimation

57.

What phase change is represented in the image?

a)

melting

b)

evaporation

c)

freezing

d)

condensation

e)

sublimation

58.

What phase change is represented in the image?

a)

melting

b)

evaporation

c)

freezing

d)

condensation

e)

sublimation

59.

What phase change is represented in the image?

a)

melting

b)

evaporation

c)

freezing

d)

condensation

e)

sublimation

60.

Any material consisting of only one type of atom is classified as what?

a)

A compound

b)

An element

c)

A heterogeneous mixture

d)

A homogeneous mixture

61.

When different atoms chemically combine (a)   are formed.

62.

Which of the following is an example of a pure substance that is in the liquid phase?

a)

A

b)

B

c)

C

d)

D

63.

A compound is represented by its _______.

a)

atomic number

b)

chemical number

c)

chemical formula

d)

number of atoms

64.

Which classification of matter is a pure substance?

a)

Elements

b)

Elements and compounds

c)

Compounds

d)

Elements and mixtures

e)

Mixtures

65.

​ (a)   is made of combined substances that each retain their own properties is called what?

Choose from the below words
A compound
A pure substance
An element
A mixture
66.

Which of the following is an example of a pure substance that is in the gas phase?

a)

A

b)

B

c)

C

d)

D

67.

In a ​ (a)   mixture, the material has the same composition throughout.

Choose from the below words
heterogeneous
homogeneous
68.

Match up the type of matter with its best description.

a)

Contains only one type of atom.

1.

element

b)

Contains two or more bonded elements.

2.

compound

c)

Contains two or more bonded atoms.

3.

molecule

d)

Contains two or more uniformly combined substances.

4.

homogeneous mixture

e)

Contains two or more distinct layers of substances.

5.

heterogeneous mixture

69.

(a)   can be separated by physical means.

Choose from the below words
An element
A compound
Pure substances
Mixtures
70.

Which of the following is an example of a solid mixture?

a)

A

b)

B

c)

C

d)

D

71.

In a ​ (a)   mixture, each substance can be easily distinguished.

Choose from the below words
heterogeneous
homogeneous
72.

Granite rock is an example of ______.

a)

an element

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

73.

Which of the following is an example of a heterogeneous mixture?

a)

A

b)

B

c)

C

d)

D

74.

Which of the following is an example of an element?

a)

A

b)

B

c)

C

d)

D

75.

Salt water is an example of ______.

a)

an element

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

76.

Nickel is an example of ______.

a)

an element

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

77.

Carbon tetrachloride is an example of ______.

a)

an element

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

78.

Which of the following is an example of a compound?

a)

A

b)

B

c)

C

d)

D

79.

Which of the following is the best example of a homogeneous mixture?

a)

A

b)

B

c)

C

d)

D

80.

Which diagram represents an element?

a)

Diagram (a)

b)

Diagram (b)

c)

Diagram (c)

d)

None of the diagrams represent the parts of an element.

81.

The image best represents the ​ (a)   state of matter of an​ (b)   .

Choose from the below words
liquid
element
gas
solid
compound
mixture
82.

Which of the following represents a compound?

a)

Diagram (a)

b)

Diagram (b)

c)

Diagram (c)

d)

All of the diagrams represent the parts of a compound.

83.

Which diagram represents a mixture?

a)

Diagram (a)

b)

Diagram (b)

c)

Diagram (c)

d)

None of the diagrams represent the parts of a mixture.

84.

A substance that consists of just one type of atom.

a)

atom

b)

mixture

c)

element

d)

matter

85.

The image best represents the ​ ​ (a)   state of matter of an​ (b)   .

Choose from the below words
liquid
element
gas
solid
compound
mixture
86.

Anything that has mass and takes up space.

a)

atom

b)

mixture

c)

element

d)

matter

87.

Which item is a pure substance?

a)

aluminum (Al)

b)

apple juice

c)

muddy water

d)

brass

88.

H2O is an example of...

a)

an atomic number

b)

an element symbol

c)

a chemical formula

89.

The individual substances that make up a ________are not evenly mixed.

a)

compound

b)

homogeneous mixture

c)

heterogeneous mixture

90.

Organize these options into the right categories

Categorize the following
Liquid Homogeneous Mixture
Liquid Heterogeneous Mixture
Solid Homogeneous Mixture
Solid Heterogeneous Mixture
91.

What type of material is the lemonade in this glass?

a)

Heterogeneous mixture

b)

Homogeneous mixture

c)

Element

d)

Compound

92.

What type of material is pictured?

a)

Element

b)

Compound

c)

Homogeneous mixture

d)

Heterogeneous mixture

93.

What type of material is pictured?

a)

Element

b)

Compound

c)

Heterogeneous mixture

d)

Homogeneous mixture

94.

What type of material is pictured?

a)

Heterogeneous mixture

b)

Homogeneous mixture

c)

Element

d)

Compound

95.

The image best represents the ​ ​ (a)   state of matter of an​ (b)   .

Choose from the below words
liquid
element
gas
solid
compound
96.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

97.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

98.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

99.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

100.

Organize these options into the right categories

Categorize the following
Gaseous Element
Solid Compound
Liquid Compound
Gaseous Compound
101.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

102.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

103.

54 km is equal to ______________ m.

a)

5,400

b)

54,000

c)

540

d)

.054

104.

What is the biggest unit of mass in the metric system?

a)

gram

b)

milligram

c)

kilogram

105.

What is the smallest unit of length in the metric system?

a)

millimeter

b)

centimeter

c)

meter

106.

It is a measurement that tells the amount of liquid a container can hold.

a)

weight

b)

volume

c)

length

107.

Which is NOT a tool in measuring the length of an object?

a)

ruler

b)

measuring tape

c)

medicine dropper

108.

How many grams are there in 1 kilogram?

a)

100 grams

b)

1,000 grams

c)

10 grams

109.

How many millimeters are there in 1 centimeter?

a)

10 millimeters

b)

100 millimeters

c)

1,000 millimeters

110.

How many centimeters are there in 3 meters?

a)

30 centimeters

b)

300 centimeters

c)

3,000 centimeters

111.

How many kiloliters are there in 6,000 liters?

a)

6 kiloliters

b)

60 kiloliters

c)

600 kiloliters

112.

Which of the following is the heaviest?

a)

3,500 g

b)

3 kg

c)

4,000 g

113.

A water jug can hold 18,000 milliliters of water. How much is that in liters?

a)

8 liters

b)

18 liters

c)

88 liters

114.

What is 4cm in mm?

a)

0.4

b)

4

c)

400

d)

40

115.

What is 300cm in metres?

a)

3

b)

30

c)

0.3

d)

0.03

116.

What is 4000g in kg?

a)

400

b)

40

c)

0.4

d)

4

117.

What is 3 litres in ml?

a)

30

b)

300

c)

3000

d)

0.3

118.

What is 4.2 km in metres?

a)

420

b)

4200

c)

42

d)

0.42

119.

What is 3.75 litres in ml

a)

3750

b)

375

c)

3705

d)

37.5

120.

what is 5m in cm?

a)

50

b)

5

c)

500

d)

0.5

121.

What is 0.9km in meters?

a)

0.9

b)

9

c)

90

d)

900

122.

What is 3 litres in ml?

a)

30

b)

300

c)

3000

d)

0.3

123.

Which of the following units is the SI base unit for time?

a)

meter

b)

kilogram

c)

second

d)

liter

124.

Which of the following is a metric base unit for length?

a)

meter

b)

kilogram

c)

second

d)

liter

125.

Place the prefixes in the proper order from LARGEST to SMALLEST. (Largest to the left)

a)

kilo-

b)

hecto-

c)

deci-

d)

centi-

e)

milli-

1)
2)
3)
4)
5)
126.

In science, the SI system of measurement is based on the ​ (a)   system of measurement.

Choose from the below words
metric
imperial
English
consumerism
127.

The metric system is based on multiples of

(a)  

128.

The piece of lab equipment shown in the image is ​a (a)   and is used for measuring ​ (b)   .

Choose from the below words
thermometer
temperature
beaker
pipet
volume
length
ruler
129.

The piece of lab equipment shown in the image is ​a (a)   and is used for measuring ​ (b)   .

Choose from the below words
graduated cylinder
volume
beaker
Erlenmeyer flask
mass
length
ruler
130.

What is the symbol for milliseconds?

a)
ms
b)

mL

c)

Mm

d)
mc
131.

Which of the following is the name of the unit with the symbol of 'hg'?

a)
Hectogram
b)
Hectogallon
c)
Hectograde
d)
Hectogrid
132.

Match the following prefixes with its exponential factor.

(Hint: What do you know about King Henry?)

a)

kilo-

1.

103

b)

deka-

2.

101

c)

cent-

3.

10-2

d)

milli-

4.

10-1

e)

hecto-

5.

102

133.

How well do you understand using the metric system

a)

b)

c)

d)

e)

134.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
135.
1000 m = ___________ km
a)
100
b)
10
c)
1
d)
0.1
136.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
137.
0.57 mL = ___________ L
a)
5.7
b)
0.057
c)
0.0057
d)
0.00057
138.
 330 cm = ___________ m
a)
3,300
b)
33
c)
3.3
d)
0.33
139.
32.9 km = ___________ cm
a)
32,900
b)
329,000
c)
3,290,000
d)
32,900,000
140.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
141.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
142.

6 kg = _____ g

a)

6

b)

6000

c)

600

d)

.006

143.

What is the basic unit of mass in the metric system?

a)

Liter

b)

Meter

c)

Gram

d)

Kilometer

144.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
145.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
146.

900 cm ____ 9000 mm

a)

<

b)

=

c)

>

147.

I would measure the length of this bus in ​​ (a)   .

Choose from the below words
meters
kilometers
centimeters
millimeters
148.
Which unit is a a measure of volume?
a)
meters
b)
grams
c)
inches
d)
liters
149.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

150.

​ (a)   cg = ​ (b)   g

Choose from the below words
100
1
1000
10
0.01
0.1
151.

​ (a)   mL = ​ (b)   L

Choose from the below words
100
1
1000
10
0.01
0.1
152.

Challenge​ (a)   cm = ​ (b)   mm

Choose from the below words
100
1
1000
10
0.01
0.1
153.

Challenge​ (a)   cs = ​ (b)   ks

Choose from the below words
100
1
1000
100,000
10,000
0.1
154.

Which of the following are evidence of chemical change? (Choose all that apply.)

a)

formation of a gas

b)

color change

c)

changing state of matter

d)

shape change

e)

formation of a precipitate

155.
A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?
a)
Texture
b)
Temperature
c)
Shape
d)
 Mass
156.

Which of the following are evidence of chemical change? (Choose all that apply.)

a)

change in temperature

b)

solubility

c)

melting

d)

changing size

e)

emission of light

157.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
158.

A ​ (a)   is when one or more new substances are created.

Choose from the below words
physical Change 
chemical change
chemical property
physical property
159.

Fizzing, foaming, and burning are all examples of ​ (a)   .

Choose from the below words
physical Change 
chemical change
chemical property
physical property
160.

An example of a​ (a)   the ability of copper to react with oxygen turning into green copper(I) oxide.

Choose from the below words
physical Change 
chemical change
chemical property
physical property
161.

The color of a substance is considered an ​ (a)   , which is a type of ​ (b)   .

Choose from the below words
intensive property
physical property
extensive property
chemical property
chemical change
physical change
162.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
163.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
164.

Which TWO of the following are extensive properties?

a)

mass

b)

density

c)

length

d)

solubility

e)

temperature

165.

The given image represents a

(a)   .

Choose from the below words
Chemical Change
Physical Change
physical property
chemical property
166.

​ (a)   are characteristics of a substance that can be observed without changing the identity of the substance.

Choose from the below words
Physical properties
Chemical properties
Physical changes
Chemical changes
167.

Which of the following is an example of a physical property?

a)
magnetism
b)
reactivity with oxygen
c)
flammability
d)
non-reactive
168.

Which of the following represent an extensive property?

a)

size

b)

conduct electricity

c)

flammability

d)

temperature

169.

The mass of a substance is considered an ​ (a)   , which is a type of ​ (b)   .

Choose from the below words
intensive property
physical property
extensive property
chemical property
chemical change
physical change
170.

Which of the following is an example of a physical property?

a)
odor
b)
burns in air
c)
reacts with water to create hydrogen gas
d)
rust
171.

​ (a)   are characteristics of a substance that can only be observed when changing the identity of the substance.

Choose from the below words
Physical properties
Chemical properties
Physical changes
Chemical changes
172.

Which of the following is an example of a chemical property?

a)

color

b)

volume

c)

reactivity with oxygen

d)

mass

173.

Which of the following is an example of a physical property?

a)
reacts with an acid
b)
explodes
c)
flammibility
d)
taste
174.

Which of the following is an example of a chemical property?

a)

malleability (flexibility)

b)

texture

c)

combustion

d)

mass

175.

An example of ​ (a)   is when a copper penny turns a green color after sitting outside for a few years.

Choose from the below words
physical Change 
chemical change
chemical property
physical property
176.

Breaking of glass is a ​ (a)   .

Choose from the below words
chemical property
physical property
physical change
chemical change
intensive property
extensive property
177.

Freezing of juice is a ​ (a)   .

Choose from the below words
chemical change
physical change
physical property
chemical property
intensive property
extensive property
178.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
179.
1000 m = ___________ km
a)
100
b)
10
c)
1
d)
0.1
180.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
181.
0.57 mL = ___________ L
a)
5.7
b)
0.057
c)
0.0057
d)
0.00057
182.
 330 cm = ___________ m
a)
3,300
b)
33
c)
3.3
d)
0.33
183.
32.9 km = ___________ cm
a)
32,900
b)
329,000
c)
3,290,000
d)
32,900,000
184.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
185.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
186.

6 kg = _____ g

a)

6

b)

6000

c)

600

d)

.006

187.

What is the basic unit of mass in the metric system?

a)

Liter

b)

Meter

c)

Gram

d)

Kilometer

188.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
189.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
190.

900 cm ____ 9000 mm

a)

<

b)

=

c)

>

191.

I would measure the length of this bus in ​​ (a)   .

Choose from the below words
meters
kilometers
centimeters
millimeters
192.
Which unit is a a measure of volume?
a)
meters
b)
grams
c)
inches
d)
liters
193.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

194.

​ (a)   cg = ​ (b)   g

Choose from the below words
100
1
1000
10
0.01
0.1
195.

​ (a)   mL = ​ (b)   L

Choose from the below words
100
1
1000
10
0.01
0.1
196.

Challenge​ (a)   cm = ​ (b)   mm

Choose from the below words
100
1
1000
10
0.01
0.1
197.

Challenge​ (a)   cs = ​ (b)   ks

Choose from the below words
100
1
1000
100,000
10,000
0.1
198.

What is the best conversion equation between cg and mg?

a)

1 cg = 10 mg

b)

1 mg = 10 cg

c)

10-2 cg = 10-3 mg

199.

What is the best conversion equation between ms and s?

a)

1 s = 1000 ms

b)

1 ms = 1000 s

c)

100 s = 10-3 ms

200.

​ (a)   km = ​ (b)   m

Choose from the below words
1
1000
10
10,000
0.01
201.

​ (a)   cL = ​ (b)   kL

Choose from the below words
1
1000
10
10,000
0.01
100,000
0.001
202.

What is the best conversion equation between dL and mL?

(a)  

203.

What is the best conversion equation between kg and dag?

(a)  

204.

What are the two conversion factors for the conversion equation, 100 cm = 1 m?

a)

b)

c)

d)

205.

What are the two conversion factors for the conversion equation, 1 kg = 10 hg?

a)

b)

c)

d)

206.

Label the conversion factor by placing the largest unit in the numerator:

10 mg = 1 cg

a)

10 mg

b)

1 cg

1
2
1)
2)
207.

Label the conversion factor by placing the largest unit in the denominator:

100 ms = 1 ds

a)

1 ds

b)

100 ms

1
2
1)
2)
208.

Label the conversion factor by placing the largest unit in the denominator:

conversion between kilometers and dekameters

(Hint: What is the conversion equation?)

a)

1 dam

b)

1000 km

c)

10 dam

d)

1 km

e)

100 dam

1
2
1)
2)
209.

Label the conversion factor by placing the largest unit in the numerator:

conversion between milligrams and kilograms

(Hint: What is the conversion equation?)

a)

1 mg

b)

1000 kg

c)

0.001 mg

d)

1 kg

e)

1,000,000 mg

1
2
1)
2)
210.

A student is tasked with answering the following question, "How many milligrams are in 14.78 g of sodium chloride?"

What conversion factor will be used to solve this problem?

a)

b)

c)

d)

211.

A student is tasked with answering the following question, "How many seconds are in equal to 12.97 das?"

What conversion factor will be used to solve this problem?

a)

b)

c)

d)

212.

A student is tasked with answering the following question, "How many milliliters are in equal to 46.89 deciliters?"

What conversion factor will be used to solve this problem?

a)

b)

c)

d)

213.
What is the molar mass of sodium?
a)

11 g/mol

b)

22.99 g/mol

c)

45.98 g/mol

d)

3 g/mol

214.

The molar mass of an element is equivalent to the ​ (a)   of the element.

Choose from the below words
atomic mass
atomic number
mass number
group number
period number
215.
What is the mass of one mole of aluminum?
a)

26.98 g

b)
13 g
c)

53.96 g

d)
14 g
216.

Calculating the molar mass of dinitrogen tetroxide, N2O4, is done using the following work:

2(14.01 g/mol) + 4(16.00 g/mol) = 92.02 g/mol

Show the work necessary and calculate the molar mass of magnesium chloride, MgCl2.

(a)  

217.

What is the molar mass of fluorine gas?

a)

19.00 g/mol

b)

38.00 g/mol

c)

9 g/mol

d)

18 g/mol

218.

What is the molar mass of sodium chloride, NaCl? (Hint: What place value do you round to?)

(a)  

219.

What is the molar mass of NaOH? (Hint: include the units.)

(a)  

220.

What is the mass of one mole of aluminum chloride, AlCl3?

a)

62.43 g

b)

116.39 g

c)

133.33 g

d)

187.29 g

221.

What is the molar mass of CO2?

(a)  

222.

What is the molar mass of chlorine?

(a)  

223.

What is the molar mass of UF6?

(a)  

224.

Calculate the molar mass of KOH.

(a)  

225.

Calculate the molar mass of barium acetate, Ba(C2H3O2)2

(a)  

226.

Calculate the molar mass of Cu2O.

(a)  

227.

Calculate the molar mass of water.

(a)  

228.

Calculate the molar mass for Al(OH)3.

(a)  

229.

How comfortable are you in calculating molar mass?

a)

b)

c)

d)

e)

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жасия доп 1

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11th Grade