wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unmodified Semester 1 2024 Chemistry

Total questions: 156

Worksheet time: 4hrs 7mins

Name
Class
Date
1.

You accidentally drop a beaker in the lab, what should you do first?

a)

Nothing, you need to finish the lab first

b)

Inform the teacher

c)

Clean it up

2.

What is the metric unit for mass?

a)

liters

b)

gram

c)

pound

3.

Match the following pieces of lab equipment with its function (what is it used for)

a)
1.

Used to hold, heat, and pour liquids

b)
2.

Used to heat up chemical substances

c)
3.

Used to transfer small amounts of liquids

d)
4.

Used for precise measurements of volume

e)
5.

Used to heat, hold, and mixed liquids

4.

Which ruler would be considered the least precise ruler?

a)

1

b)

2

c)

3

d)

4

5.

Which image is accurate and precise?

a)

A

b)

B

c)

C

d)

D

6.

If the volume of the water is 250.0 mL before the rock is added and then raises to 325.0 mL when the rock is added, what is the volume of the rock?

Find volume using water displacement take final volume and subtract initial volume.

a)

375 mL

b)

375.0 mL

c)

75 mL

d)

75.0 mL

7.

When I drive back home to Chicago for Christmas it takes about 27.4 hours and is about 2300 miles. How many km/min do I drive?

1 mile =1.609 km

1 hour = 60 minute

Which is the correct set up (without units) that will give you the correct answer?

a)

(230027.4)(1.6091)(160)\left(\frac{2300}{27.4}\right)\left(\frac{1.609}{1}\right)\left(\frac{1}{60}\right)

b)

(27.42300)(11.609)(601)\left(\frac{27.4}{2300}\right)\left(\frac{1}{1.609}\right)\left(\frac{60}{1}\right)

c)

(230027.4)(601)(1.6091)\left(\frac{2300}{27.4}\right)\left(\frac{60}{1}\right)\left(\frac{1.609}{1}\right)

d)

27.42300×1.609×(160)\frac{27.4}{2300}\times1.609\times\left(\frac{1}{60}\right)

8.

A student has a rectangular block. It is 2.13 cm wide, 3.05 cm tall, and 25.00 cm long. What is the volume of the block?

V= L*W*H. Don't forget rules of significant figures.

a)

162.41cm3

b)

162 cm3

c)

163 cm3

d)

162.4125 cm3

9.

An atom with 2 protons and 2 electrons would have a charge of ​ (a)   . An atom with 15 protons and 18 electrons would have a charge of ​ (b)   . An atom with 12 protons and 10 electrons would have a charge of ​ (c)   . An atom with 5 protons and 2 electrons would have a charge of ​ (d)   . An atom with 7 protons and 10 electrons would have a charge of ​ (e)  

Choose from the below words
0
-3
+2
+3
10.

In a chemical equation "aq" means ​ (a)   . This word means "dissolved in water". The compound or element has been put into water to form a solution ​or homogenous mixture. "l" means ​ (b)   . this means the compound or element is in the liquid phase. It has not been mixed with anything else. The arrow in a chemical equation means ​ (c)   . On the left side of the arrow are the ​ (d)   , and on the right side of the arrow are the ​​ (e)   .

Choose from the below words
Aqueous
liquid
yields
reactants
products
11.

The number of chirps is the ​ (a)   as it responds to the Temperature.

Choose from the below words
Dependent variable
Independent Variable
12.

How many chirps on average will a cricket chirps (min) occur per 1oF?

Calculate the slope of the line, use point 1 and 2.

What would be the temperature if the male chirps 230 chirps in a minute?

4 lines
13-19.

Understanding Cricket Chirps

A curious scientist embarked on a journey to determine if one could distinguish between a common field cricket and a snowy tree cricket by their chirps. He discovered that the males of each species produce a unique number of chirps per minute, which varies with the ambient temperature. This led to the formulation of a research question: Can the chirping rate be used to identify the species of cricket? The scientist hypothesized that temperature would affect the chirping rate differently for each species. To test this, he designed an experiment focusing on the chirping behavior of male crickets.

The experimental design involved measuring the chirping rates of both cricket species at various temperatures. For each species the scientist would count the number of chirps in a minute at different temperatures By analyzing this data, he aimed to draw conclusions about the relationship between temperature and chirping rates. This approach allowed for a comprehensive understanding of how environmental factors influence cricket communication.

To measure the chirping rate, the scientist used precise audio recording equipment. He recorded the chirps of male crickets in controlled temperature settings, ensuring accurate data collection. The recordings were then analyzed to count the number of chirps per minute for each species. This meticulous process provided reliable data for comparison. The scientist's methodical approach ensured that the results were both valid and reproducible, contributing to the study's credibility.

Finally, the data was represented graphically to illustrate the effect of temperature on chirping rates. Graphs were created to show the relationship between temperature and chirp frequency for each species. These visual representations helped in understanding the patterns and differences in chirping behavior. By interpreting the graphs, students could learn how to analyze scientific data effectively. This study not only answered the research question but also provided valuable insights into the fascinating world of cricket communication.

13.

What was the main research question in the scientist's study on cricket chirps?

a)

Can the chirping rate be used to identify the species of cricket?

b)

Do crickets chirp more at night?

c)

Is the chirping rate affected by humidity?

d)

Do female crickets chirp differently than males?

14.

The independent variable in the cricket chirping experiment was the (a)   .

15.

What type of data did the scientist collect in his study on cricket chirps?

a)

Quantitative: the number of chirps

b)

Qualitative: the number of chirps

c)

Only quantitative the different species

d)

No data was collected

16.

The scientist used precise audio recording equipment to measure the (a)   rate of crickets.

17.

How did the scientist ensure the credibility of his study on cricket chirps?

a)

By using precise audio recording equipment and controlled temperature settings

b)

By observing crickets in their natural habitat

c)

By asking other scientists for their opinions

d)

By using outdated equipment

18.

The scientist's study provided insights into the fascinating world of cricket (a)   .

19.

What was the dependent variable in the cricket chirping experiment?

a)

Number of chirps per minute

b)

Ambient temperature

c)

Type of cricket species

d)

Time of day

20.

Match the description or the picture with the different ways Thermal Energy can move.

Categorize the following

Between two objects

Through electromagnetic waves

Within a circulating medium

Conduction
Radiation
Convection
21.
What are the states of matter?
a)

Ice, water, and air

b)

solid, water and air

c)
solid, liquid, and gas
22.

HI is a (a)   while Hi is an ​ (b)   .

Choose from the below words
compound
element
23.

Organize these options into the right categories

Categorize the following

Used to see reactions

Used to measure mass

Used to transfer powders when measuring

Test tube
Scale
Scoopula
24.

When a substance is put in an environment with more heat, the substance will absorb the heat. This is known as an ___________ process.

a)

endothermic

b)

exothermic

25.

Match the arrangement to the state of matter

a)
1.

Solid

b)
2.

Gas

c)
3.

Liquid

d)
4.

Plasma

26.

Match the following properties with the state of matter

a)

Definite shape and volume

1.

Solid

b)

No defined shape, but has a definite volume

2.

Liquid

c)

No definite shape or volume

3.

Gas

27.

Label each column with the appropriate term.

a)

Endothermic

b)

Exothermic

1
2
1)
2)
28.

Mark all that are true.

Why does water freeze when put in the freezer?

a)

It absorbs the cold from the freezer

b)

Energy from the freezer is absorbed into the water

c)

Energy from the water is released to the freezer

d)

The temperature of the water is higher than the freezer's temperature

29.

Boiling is ___________

a)

endothermic

b)

exothermic

30.

Freezing is ___________

a)

endothermic

b)

exothermic

31.

Label the phase diagram assume heat is being added to the substance

a)Solid
b)Liquid
c)Gas
d)Melting
e)Boiling
f)Freezing
g)Condensing
1
2
3
4
5
1)
2)
3)
4)
5)
32.

How much liquid is the graduated cylinder?

a)

28.5 mL

b)

27.5 mL

c)

26 mL

33.

What is the dependent variable of this experiment based on this graph?

a)

the length of the gummy bear before it was submerged

b)

the different types of solutions used to submerge the gummy bears.

c)

the length of the gummy bears before and after submersion

34.

What data does this graph represent?

a)

Change in temperature of a liquid over time in 3 different containers

b)

How temperature can change the molecules in a material

c)

The phase changes of a material

d)

What type of container people use the most to store hot liquids.

35.
a)
beaker
b)
graduated cylinder
c)
erlenmeyer flask
d)
test tube
36.
Long hair in the laboratory must be 
a)
tied back or kept entirely out of the way with a hair band, hairpins, or other confining device
b)
always neatly groomed
c)
held away from the experiment with one hand
d)
cut short
37.
Air is an example of a
a)
solid
b)
liquid
c)
gas
38.
Which of the following is a pure substance? 
a)
Water
b)
Salad
c)
Chocolate milk
d)
All of them 
39.

Ms. Craven adds fruit to her yogurt. This is an example of a:

a)

Pure substance

b)

Mixture

40.
Max is hungry and he prepares cereal with milk. This is an example of a: 
a)
Homogeneous mixture
b)
Heterogeneous mixture
41.

This diagram has how many different types of molecules?

a)

1

b)

2

c)

3

d)

4

42.

This diagram represents a _____.

a)

pure substance that is a compound

b)

mixture of molecules

c)

pure substance that is an element

d)

Atom in a gas state

43.

Reading a piece of chromatography paper from Top to Bottom

Order where you would find the colors on the paper

The color and the length of the molecule is given.

From TOP --> BOTTOM

a)

Blue: 0.034 nm

b)

Green: 0.045 nm

c)

Yellow: 0.056 nm

d)

Red: 0.067 nm

e)

Purple: 0.089 nm

1)
2)
3)
4)
5)
44.

Organize these particles into their correct classification schema.

Categorize the following

Small part of an element

Two or more atoms held together by a chemical bond

A uniform mixture of particles

A non uniform mixture of particles

Atoms
Compounds
Homogeneous
Heterogeneous
45.

A company wanted to know if increasing their advertising budget helped increase their sales. You gathered the data now need to present it.

Place the appropriate labels on the graph

a)Effects of Advertising on Monthly Sales
b)Monthly Sales ($1000 of dollars)
c)Advertising Budget ($1000 of dollars)
d)Does the Sale Effect the Budget?
e)Time (month)
f)Money ($)
1
2
3
1)
2)
3)
46.

Which of the following is NOT considered a natural phenomena?

a)

A black whole

b)

A rainbow

c)

Rising Sea Levels

d)

Studying

47.

Cells are ​ (a)   while organisms are ​ (b)  

Choose from the below words
small
microscopic
macroscopic
large
48.

Organize these options into the right categories

Categorize the following

Made of atoms

Makes up matter

Made of 2 or more atoms

Makes things move

Matter
Atoms
Molecules/Compound
Energy
49.

  1. A. What is the slope of the line?

  2. Your answer needs to include the units of measurement.

(y2−y1)÷ (x2−x1)\left(y_2-y_1\right)\div\ \left(x_2-x_1\right) Perform the calculation

Using your slope, what would you expect the sea level to be in 2030?

4 lines
50.

What is the relationship between the heat energy (flame) and the metal ball?

The heat causes the atoms to ​ (a)   causing the metal ball to ​ (b)  

Choose from the below words
shrink
move closer together
separate
expand
51.

All of the following are components of the model EXPECT

a)

Phenomena

b)

Metal ring

c)

Fire

d)

Atoms

52.

What would you predict would happen if you removed all heat from plasma?

4 lines
53.

In the

(a)   transfer of energy is ​ (b)   to ​ (c)   .

Choose from the below words
Model
Picture
Chemical energy
Mechanical energy
Solar energy
Wind energy
Electrical Energy
54.

Once the arrow and the ball are released, the potential energy gets transfer to​ (a)  

Choose from the below words
Light Energy
Kinetic Energy
Chemical Energy
55.

Models help scientists think about possible answers to their questions about ____________.

a)

stuff

b)

words

c)

light

d)

phenomena

56.

What would you predict would happen if you removed all heat from plasma?

4 lines
57.

According to the model

When (a)   is added it causes the ​ (b)   to ​ change states

Choose from the below words
energy
Ice
matter
sunlight
58.

All of the following are components of the model EXPECT

a)

Phenomena

b)

Metal ring

c)

Fire

d)

Atoms

59.

What is the phenomena this model is trying to explain?

a)

Water is continually lost in our systems

b)

What is cycled through our systems

c)

New water is formed in our systems

d)

The Sea Levels are rising

60.

Categorize the various parts of the model

Categorize the following

Ocean

Soil

Forest

Evaporation

Condensation

Solar to heat atmosphere

Heat from atomosphere to molecules

Molecules to heat atomosphere

System
State of matter change
Energy transfer
61.

Write a description for the model that would explain the phenomena.

4 lines
62.

Categorize the Components

Categorize the following

Magnets

Green cube

Yellow Cube

Wooden Box

Microscopic
Macroscopic
63.

What is the relationship between the heat energy (flame) and the metal ball?

The heat causes the atoms to ​ (a)   causing the metal ball to ​ (b)  

Choose from the below words
shrink
move closer together
separate
expand
64.

All of the following are components of the model EXPECT

a)

Phenomena

b)

Metal ring

c)

Fire

d)

Atoms

65.

Which prediction would prove this model correct?

a)

If energy is removed a substance in a gas state it will condense to a liquid

b)

If energy is added the solid will melt to a liquid.

c)

If energy is added the chemical properties of the atom will change.

66.
 After completing an experiment, all chemical wastes should be
a)
taken home
b)
dumped in the sink
c)
disposed of according to your instructor’s directions
d)
left at your lab station for the next class
67.

What is the length of this pencil?

a)

26 cm

b)

2.6 cm

c)

2.3 cm

d)

2 1/2 cm

68.

What is 0.658 rounded to 2 significant figure?

a)

0

b)

0.66

c)

0.7

d)

0.658

69.

Calculate 6.50 cm + 5.5 cm and give your answer with the correct number of significant figures.

a)

11 cm

b)

11.0 cm

c)

12.00 cm

d)

12.0 cm

70.

All examples of chemical properties EXCEPT

a)

Color

b)

burns in air

c)

reacts with water to create hydrogen gas

d)

rust

71.

All are examples of physical property EXCEPT

a)

malleability

b)

texture

c)

combustion

d)

sour taste

72.

Match the following

a)

Co

1.

Element

b)

Ni

2.

Element

c)

NI

3.

Compound

d)

CO

4.

Compound

73.

Match the following physical property with the type of element

a)

Metal

1.

Lustrous

b)

NonMetal

2.

Dull

c)

Metalloid

3.

Semiconductor

74.

Which type of property is determined by measuring the substance or observations, BUT DOES NOT change the substances chemical composition?

a)

Chemical Property

b)

Physical Property

c)

Flammable

d)

Density

75.

What type of physical property is being shown in the picture?

What type of elements exhibit this property?

a)

Ductile

b)

Malleable

c)

Carbon

d)

Copper

76.
What line segment represents only the solid state?
a)
A-B
b)
B-C
c)
C-D
d)
D-E
77.

A substance's heating curve is shown in the graph. At what temperature does the substance freeze?

a)

-20 C

b)

-60 C

c)

-80 C

d)

-100 C

78.
Adding HEAT to matter causes its particles to:
a)
move faster and farther apart
b)
Move slower and farther apart
c)
Move faster and closer together
d)
Move slower and closer together
79.

You have a substance that is flammable, dull and not a conductor of electricity. The substance you have is

a)

Metal

b)

Nonmetal

c)

Metalloid

d)

Copper

80.

50.0 g of water is placed into a beaker. The mass of the beaker is now 115.0 g. What is the mass of the empty beaker?

Don't forget to use the rules of significant figures

a)

55.0 g

b)

65 g

c)

65.0 g

d)

55 g

81.

A proton has what kind of charge?

a)

no charge

b)

positive 

c)

negative

d)

it depends

82.

The value of each line in the graduated cylinder is ​ (a)   . This means the amount of liquid in the cylinder is ​ (b)  

Choose from the below words
10 ml
10 g
1 ml
85 ml
85 g
83.

The ​ (a)   precise an instrument is, the ​ (b)   incremental value (the distance between the two lines).

Choose from the below words
more
smaller
Closer
Further
84.

You are given a chunk of metal that is said to be pure gold. You know the density of gold is 19.3 g/ml. You measure the mass of the metal and it has a mass of 176.8 g. Put the steps in order that would you need to take to determine if the sample is gold.

a)

Fill a graduated cylinder with water and record the initial volume.

b)

Put the sample in the graduated cylinder.

c)

Record the finial volume with the sample and the the water.

d)

Subtract the 2 values. The final value from the initial value

e)

Calculate the density of the sample and compare it with gold's density.

1)
2)
3)
4)
5)
85.

What is the volume of an object if its density is 8.0 g/mL and its mass is 15.0g?

Write your answer to the tenth. Make sure you have units. Show your work

(a)  

86.

A cube is 5.0 cm on each edge. What is its density, if the mass is 257.3 g?

Answer in to the tenth. Your answer must have units. Show your work

87.

Calculate the value of each line, using the graduated cyliner.

88.

Which student had the MOST ACCURATE results?

a)

Ash

b)

Casey

c)

Blake

89.

What is the average of for Casey?

90.

What is Casey's Percent error?

91.

Which student's data is the MOST ACCURATE?

a)
Student A
b)
Student B
c)
Student C
92.

What is student B percent error? Round to the 100th.

4 lines
93.

Which ruler would be considered the most precise ruler?

a)

1

b)

2

c)

3

d)

4

94.

Ruler 2 measures the paper clip at​ (a)   the estimate value is ​at the (b)  

Ruler 4 measures the paper clip at ​ (c)   the estimated value is at the ​ (d)   .

Choose from the below words
ones
tens
2.70 cm
hundredths place
tenths place
27.0 cm
27 cm
95.

What is the volume of the battery?

Show your work on the board.

Include: Known value, estimated value and units.

96.

How much liquid is the graduated cylinder?

a)

30.5 mL

b)

35.5 mL

c)

36.5 mL

d)

36.0 mL

97.

The measurement of the blue line:

for ruler 1 is ​ (a)   the estimated value is to the ​ (b)   .

ruler 2 is​ (c)   The estimated value is to the ​ (d)  

rule 3 is ​ (e)   the estimated value is to the tenths.

Choose from the below words
22 cm
ones place.
22.4 cm
20 cm
tens place
98.

a)

physical change

b)

chemical change

99.
a)

physical change

b)

chemical change

100.

a)

physical change

b)

chemical change

101.

Are fireworks exploding a physical or chemical change?

a)

physical change

b)

chemical change

102.
Is cream being whipped a physical or chemical change?
a)
physical change
b)
chemical change
103.

Categorize the following Physical and Chemical properties as belonging to Metals or Nonmetals

Categorize the following

Shiny

pH above 7

Alkaline

Conducts electricity

Dull

Brittle

Insulator

pH below 7

Acidic

Reacts with acid

Metals
Nonmetals
104.

What type of physical property is being shown in the picture?

What type of elements exhibit this property?

a)

Ductile

b)

Brittle

c)

Sulfur

d)

Copper

105.

The atomic number identifies the number of __________.

a)

electrons

b)

atoms

c)

protons

d)

neutrons

106.

Subatomic particles that have a negative charge

a)

electrons

b)

protons

c)

quarks

d)

neutrons

107.

How many protons does sulfur have?

a)

32

b)

16

c)

48

d)

12

108.

The number 16 for the atomic element sulfur is the

a)

ionic number

b)

isotope

c)

atomic mass

d)

atomic number

109.

How many electrons does sulfur have

a)

16

b)

32

c)

48

d)

12

110.

Subatomic particle that has a positive charge

a)

electron

b)

poitron

c)

neutron

d)

proton

111.

The center of an atom is called the ________________.

a)

electron cloud

b)

nucleus

c)

neutrion

d)

nuetron

112.

In an atom, the number of protons is equal to the number of ____________.

a)

energy levels

b)

neutrons

c)

neurons

d)

electrons

113.

Which parts of the atom move around the nucleus?

a)

electrons

b)

protons

c)

electrode particles

d)

neutrons

114.

How many protons, neutrons, and electrons are in Oxygen?

a)

Protons = 8; Neutrons = 16; Electrons = 8

b)

Protons = 8; Neutrons = 8; Electrons = 8

c)

Protons = 16; Neutrons = 8; Electrons = 16

d)

Protons = 16; Neutrons = 24; Electrons = 16

115.
How many Protons does Chlorine have?
a)
17
b)
35
c)
18
d)
39
116.
How many Neutrons does Uranium-238 have?
a)
92
b)
146
c)
238
d)
149
117.

Which arrow points to the protons?

A
B
C
118.

What is the atomic mass of the atom in the picture?

(a)  

119.

Identify the atom in the picture

(a)   it​ has a charge of ​ (b)  

Choose from the below words
Beryllium
Boron
-2
-1
120.

Which subatomic particle does NOT contribute to the mass of the atom

a)

Proton

b)

Neutron

c)

Electron

121.

Which subatomic particle is NOT found in the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

122.

Label the parts of the atom

a)Electron
b)Neutron
c)Proton
1
2
3
1)
2)
3)
123.

This is (a)   it has ​ (b)   protons and ​ (c)   neutrons.

Choose from the below words
carbon
6
8
14
silicon
124.

Label this atom's particles.

a)

Protons

b)

Electrons

c)

Nucleus

d)

Neutrons

1
2
3
4
1)
2)
3)
4)
125.

On the image point out the electrons in the subatomic particle

A
B
C
126.

All of the following are correct about Sodium

a)

The atomic mass is 11

b)

Sodium has 11 Protons

c)

The atomic mass is 22.98

d)

This atom has 11 electrons

e)

The number of neutrons is 11

127.

Match the following

a)

Neutron

1.

Neutral (No Charge)

b)

Proton

2.

Positive

c)

Electron

3.

Negative

128.

Label the parts of an atom.

a)Electron Orbit
b)Electron
c)Neutron
d)Proton
e)Nucleus
1
2
3
4
5
1)
2)
3)
4)
5)
129.

Mark all that are correct about this atom.

a)

This atom has a negative 1 charge

b)

There are four electrons in the 2nd energy level

c)

The atomic mass is 6

d)

The atomic number is 6

e)

The atomic mass is 12

130.

Which of the following atoms represents an isotope of the element Beryllium-7?

a)

b)

c)

d)

131.

Which of the following atoms represents an isotope of the element Boron?

a)

b)

c)

d)

132.

Which of the following atoms represents the isotope Hydrogen-3?

Red = proton

Grey = neutron

a)

b)

c)

d)

133.

Which of the following atoms represents the isotope Lithium-6?

Red = proton

Grey = neutron

a)

b)

c)

d)

134.

Which of the following atoms represents the isotope Carbon-13?

Red = proton

Grey = neutron

a)

b)

c)

d)

135.

Which of the following atoms is an isotope of Lithium?

a)

an atom with

4 protons

3 neutrons

b)

An atom with 4 protons and an atomic mass of 6.941 amu

c)

an atom with 7 protons and 3 neutrons

d)

an atom with 3 protons and 5 neutrons

136.

Which of the following atoms is an isotope of Carbon?

a)

an atom with

12 protons

6 neutrons

b)

An atom with

6 protons and an atomic mass of 12.001 amu

c)

an atom with

6 protons

7 neutrons

d)

an atom with

7 protons

6 neutrons

137.

Which of the following atoms represents an isotope of the element Boron?

a)

b)

c)

d)

138.

Which of the following atoms represents an isotope of the element Beryllium-7?

a)

b)

c)

d)

139.

Which of the following atoms represents the isotope Hydrogen-3?

Red = proton

Grey = neutron

a)

b)

c)

d)

140.

Which of the following atoms represents the isotope Lithium-6?

Red = proton

Grey = neutron

a)

b)

c)

d)

141.

Which of the following atoms represents the isotope Carbon-13?

Red = proton

Grey = neutron

a)

b)

c)

d)

142.

Iodine-131 is a common isotope that is used as a treatment for an autoimmune disease.

How many protons and neutrons does this isotope have?

a)

53 P

126 N

b)

126 P

53 N

c)

53 P

78 N

d)

131 P

53 N

143.

Cobalt-60 is a common isotope that is used in cancer treatment.

How many protons and neutrons does this isotope have?

a)

27 P

60 N

b)

60 P

27 N

c)

27 P

33 N

d)

33 P

27 N

144.

Chromium has 2 stable isotopes: Cr-52 and Cr-53. Chromium's atomic mass is 52.996. Which of chromium's 2 stable isotopes is the most abundant?

a)

Cr-52

b)

Cr-53

c)

Not enough information to be determined

d)

Cr-51

145.

Which of the following isotopes has the greatest number of electrons?

a)

Lithium-8

b)

Boron-9

c)

Fluorine-20

d)

Magnesium-26

146.

Choose the correct isotope symbol for the atom that contains 31 electrons and 33 neutrons.

a)

33

As

31

b)

64

As

33

c)

31

Ga

33

d)

64

Ga

31

147.

Label the parts of the atom

a)Electron
b)Neutron
c)Proton
1
2
3
1)
2)
3)
148.

What is the atomic mass of the atom in the picture?

(a)  

149.

Which is true about the nucleus

a)

It is where the protons and neutrons are located

b)

It's where electrons are located

c)

It's the center of the atom

d)

It has most of the atoms mass

150.

Match the following

a)

the mass of the atom is found here

1.

nucleus

b)

these are in the nucleus

2.

protons & neutrons

c)

if you change the number of protons you get a different...

3.

element

d)

if you change the number of neutrons you get a different...

4.

mass

e)

an isotope has the same number of protons but a different number of...

5.

neutrons

151.

Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium?

a)

85.468 amu

b)

37 amu

c)

85.6 amu

d)

86.4 amu

152.

An isotope has three forms.  10% have a mass of 4 amu, 20% have a mass of 5 amu and 70% have a mass of 6 amu.  

Based on the percentage of abundances above, the average atomic mass will be closest to...

a)

3 amu

b)

4 amu

c)

5 amu

d)

6 amu

e)

None of the above

153.

What is the percent abundance of isotope X if isotope X has a mass of 20 amu, isotope Y has a mass of 22 amu, and the average atomic mass is 21 amu?

a)

50% X, 50% Y

b)

25% X, 75% Y

c)

75% X, 25% Y

d)

60% X, 40% Y

154.

Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium?

a)

85.468 amu

b)

37 amu

c)

85.6 amu

d)

86.4 amu

155.

Element Z has 2 natural isotopes. One isotope has a mass of 15.0 amu and a relative abundance of 30%. The other isotope has a mass of 16.0 amu and a relative abundance of 70%. Estimate the average atomic mass for this one element.

a)

15.0 amu

b)

16.0 amu

c)

15.7 amu

d)

16.9 amu

156.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
5
157.
If a hydrogen atom has 1 proton, 1 electron, and 1 neutron, its atomic number is:
a)
1
b)
2
c)
3
158.
What is the name of the pictured isotope?
a)
Copper-29
b)
Copper-63
c)
Copper-34
d)
CopperWopperHopperBopper
159.
What is the name of the pictured isotope?
a)

Sulfur-16

b)

Sulfur-34

c)

Silicon-34

d)

Sodium-34

160.

Label each of the isotopes with the correct isotope name

a)Beryllium-6
b)Lithium-6
c)Boron-7
d)Beryllium-7
e)Lithium-7
f)Boron-11
1
2
3
4
1)
2)
3)
4)
161.

Label each isotope

a)Carbon-12
b)Carbon-13
c)Carbon-14
1
2
3
1)
2)
3)
162.

Label each of the isotopes of Nitrogen

a)Nitrogen-15
b)Nitrogen-14
c)Nitrogen-16
1
2
3
1)
2)
3)

Similar Resources on Wayground

vehicle transmission and driveline units(a)

10 questions

vehicle transmission and driveline units(a)

quiz

Worksheet

•

KG - 12th Grade

Verbal vs Nominal

10 questions

Verbal vs Nominal

quiz

Worksheet

•

7th Grade

Inside our Earth

10 questions

Inside our Earth

quiz

Worksheet

•

7th Grade

Packaging and proteins

10 questions

Packaging and proteins

quiz

Worksheet

•

2nd - 4th Grade

GRADE 1 QUIZ # 3 3RD QT

10 questions

GRADE 1 QUIZ # 3 3RD QT

quiz

Worksheet

•

1st Grade

BÀI TẬP VỀ TÍNH TỪ VÀ TRẠNG TỪ

10 questions

BÀI TẬP VỀ TÍNH TỪ VÀ TRẠNG TỪ

quiz

Worksheet

•

KG - University

Virginia Woolf's Shakespeare's Sister - comp.check 2

10 questions

Virginia Woolf's Shakespeare's Sister - comp.check 2

quiz

Worksheet

•

12th Grade

Grade 10 Quiz 1 4th Quarter

10 questions

Grade 10 Quiz 1 4th Quarter

quiz

Worksheet

•

10th Grade