Free Printable Midterm Review

Free Printable Worksheets

Worksheets

Midterm Review

Total questions: 174

Worksheet time: 3hrs 23mins

Name

Class

Date

1.

What happened to the temperature of the substance?

a)

stayed the same

b)

increased

c)

decreased

2.

It starts as a __ and ends as a __.

a)

liquid, gas

b)

liquid, solid

c)

solid, liquid

d)

gas, liquid

3.

Did the chemical composition of the original substance change?

a)

no

b)

yes

4.

Did the chemical composition of the original substance change?

a)

no

b)

yes

5.

Did the chemical composition of the original substance change?

a)

no

b)

yes

6.

Which best describes what is occurring?

a)

the liquid is cooling down and freezing

b)

the liquid is warming up and evaporating

c)

the solid is warming up and melting

d)

the gas is cooling down and condensing

7.

Which best describes what is occurring?

a)

the liquid is cooling down and freezing

b)

the liquid is warming up and evaporating

c)

the solid is warming up and melting

d)

the gas is cooling down and condensing

8.

This depicts:

a)

two different liquids dissolving in one another

b)

two different liquids mixing and forming one new substance

c)

two different liquids undergoing a phase change

9.

Did the chemical composition of the original substances change?

a)

no

b)

yes

10.

What happened to the chemical composition of the substance?

a)

stayed the same

b)

changed

11.

What happened to the chemical composition of the substance?

a)

stayed the same

b)

changed

12.

The chemical composition of the two substances in A

a)

doesn't change over time

b)

changed over time

13.

This represents

a)

a liquid that is warmer than room temp

b)

a gas that is warmer than room temp

c)

a liquid that is colder than room temp

d)

a gas that is equal to room temp

14.

The reaction starts with a solid and a liquid. It ends with:

a)

a new solid and a new gas

b)

a new liquid and a new gas

c)

the same liquid and a new gas

d)

the same liquid and a new solid

15.

The temperature of the system:

a)

stayed the same over time

b)

increased over time

c)

decreased over time

16.

The amount of space something takes up

a)

density

b)

volume

c)

mass

d)

matter

17.

All matter is made up of tiny building blocks called:

a)

mass

b)

atoms

c)

cells

d)

legos

18.

Atoms of a particular "type" are known as:

a)

Cells

b)

Elements

c)

Molecules

d)

Compounds

19.

There are ___ different elements on the Periodic Table.

a)

20

b)

2,460

c)

118

d)

92

20.

Does the following represent an "Atom" or a "Molecule"?

Cu

a)

atom

b)

molecule containing all the same element

c)

molecule containing different elements

21.

Does the following represent an "Atom" or a "Molecule"?

C₆H₁₂O₆

a)

atom

b)

molecule containing all the same element

c)

molecule containing different elements

22.

Does the following represent an "Atom" or a "Molecule"?

S₈

a)

atom

b)

molecule containing all the same element

c)

molecule containing different elements

23.

Does the following represent an "Atom" or a "Molecule"?

FeO

a)

atom

b)

molecule containing all the same element

c)

molecule containing different elements

24.

Does the following represent an "Atom" or a "Molecule"?

Cl₂

a)

atom

b)

molecule containing all the same element

c)

molecule containing different elements

25.

Does the following represent an "Atom" or a "Molecule"?

Al

a)

atom

b)

molecule containing all the same element

c)

molecule containing different elements

26.

Which of the following is NOT considered matter?

a)

helium gas

b)

lead

c)

carbon dioxide

d)

light

27.

More than one atom chemically bonded together is referred to as:

a)

a compound

b)

a molecule

c)

a gas

d)

the Periodic Table

28.

In this class, "particles" can refer to:

a)

atoms only

b)

molecules only

c)

both atoms and molecules

29.

"a = alone" is a way to help identify a(n):

a)

atom

b)

molecule

c)

compound

d)

matter

30.

"m = more than one" is a way to help identify a(n):

a)

atom

b)

molecule

c)

compound

d)

matter

31.

Which of the following is a chemical property of water?

a)

is nonflammable

b)

Boils at 100 ^oC

c)

Is liquid at room temperature

d)

Has a density of 1 gm/mL

32.

Physical properties are

a)

properties that can be observed or measured without changing the identity of the substance

b)

properties that describe how a substance may change into a completely different substance

33.

What is an example of a Chemical change?

a)

Melting ice cube

b)

Evaporation of liquid water

c)

Salt dissolving in water

d)

A yellow precipitate forms when two clear liquids are mixed.

34.

Is freezing a physical or chemical change?

a)

Physical

b)

chemical

35.

Over time, a piece of metal appeared to be covered in rust. Which best describes the change to the metal?

a)

It was a chemical change, because the bike was a different color.

b)

It was a chemical change, because the new atoms were created.

c)

It was a chemical change, because rust is a new substance with a different composition than the original metal.

d)

It was a physical change, because rust can be removed from the metal.

36.

Which is a chemical property?

a)

Mass

b)

Reactivity with acids

c)

Boiling Point

d)

Color

37.

Is a burning candle a physical or chemical change?

a)

Physical

b)

Chemical

38.

Is melting iron a physical or chemical change?

a)

Physical

b)

Chemical

39.

Is generating steam a physical or chemical change?

a)

Physical

b)

Chemical

40.

When baking soda and vinegar mix it creates carbon dioxide bubbles. Is this a chemical or physical change?

a)

Physical

b)

Chemical

41.

If you need to run a test and there is a chance your actions might change the chemical composition, you are testing a __ property.

a)

physical

b)

chemical

42.

A ___ change occurred.

a)

physical, 2 liquids simply dissolved in one another

b)

chemical, 2 liquids reacted to form something new

43.

A ___ change occurred.

a)

physical, 2 liquids simply dissolved in one another

b)

chemical, 2 liquids reacted to form something new

44.

A ___ change occurred.

a)

physical, the same liquid simply warmed up

b)

physical, the same liquid simply cooled down

c)

chemical, the original liquid changed into something new

d)

physical, the liquid evaporated into a gas

45.

A ___ change occurred.

a)

physical, the same liquid simply warmed up

b)

physical, the same liquid simply cooled down but stayed a liquid

c)

chemical, the original liquid changed into something new

d)

physical, the liquid cooled down and froze into a solid

46.

A ___ change occurred.

a)

physical, the same liquid simply warmed up but remained a liquid

b)

physical, the same liquid simply cooled down

c)

chemical, the original liquid changed into something new

d)

physical, the liquid warmed up and started to evaporate into a gas

47.

A precipitate forms when:

a)

a liquid freezes into a solid

b)

two liquids dissolve in one another to form a solution

c)

a solid forms when two liquids are mixed

d)

a substance undergoes a phase change

48.

The yellow "stuff" is referred to as:

a)

a solution

b)

a precipitate

c)

an atom

d)

energy

49.

If you are ever unsure or confused about a lab procedure you should...

a)

take your best guess

b)

do nothing

c)

ask the instructor

d)

skip that step of the procedure

50.

Who should hit the emergency gas shut off button in an emergency?

a)

only the teacher

b)

only the designated student

c)

no one should ever hit the button

d)

whoever is closest to the button

51.

Goggles must be worn when...

a)

working with chemicals

b)

using glassware

c)

heating substances

d)

measuring with a ruler

52.

True or False: Before performing an experiment you are expected to read all procedures.

a)

True

b)

False

53.

True or False: Before performing an experiment you are expected to read all procedures.

a)

True

b)

False

54.

To move a hot beaker you should use...

a)

your hand

b)

crucible tongs

c)

beaker tongs

d)

ring stand clamp

55.

True or False: You are allowed to eat food in the laboratory.

a)

True

b)

False

56.

Which of the following is NOT allowed when performing an experiment?

a)

pushing stool under lab desk

b)

wearing safety goggles

c)

keeping backpack and papers on lab desk

d)

cleaning lab desk at the end of the experiment

57.

True or False: An SDS of a chemical will contain procedures for dealing with an accidental spill.

a)

True

b)

False

58.

If a chemical splashes in your eye you should...

a)

rub your eyes until it stops hurting

b)

rinse in eye wash for 20 minutes

c)

use the safety shower

d)

splash water from the sink in your eyes

59.

A chemical is very unlikely to splash in your eye because...

a)

we won't be using chemicals in this class

b)

accidents never happen

c)

all chemicals are safe for your eye

d)

you will be wearing your safety goggles

60.

A container that is being heated should be...

a)

pointed away for yourself and others

b)

closed tightly with a stopper

c)

watched by at least one lab group member

d)

cooled immediately in cold water

61.

When in a lab room you should...

a)

never touch equipment until instructed to do so

b)

never remove chemicals or equipment from the room

c)

know the locations of all safety equipment

d)

all of the above

62.

When lighting a Bunsen burner, which step comes first?

a)

lighting the match/ lighter

b)

turning on the gas

63.

If glass equipment breaks you should alert your teacher, then ...

a)

sweep it into your sink

b)

sweep it into broken glass container

c)

pick it up by hand and throw in trash can

d)

cry

64.

Which of the following represent appropriate lab clothing and preparation?

a)

pulling long hair back

b)

removing dangling jewelry

c)

wearing a loose and baggy hooded sweatshirt

d)

wearing closed-toe shoes

65.

I have reviewed the Flinn Student Safety Contract and I feel confident in my ability to perform lab experiments safely for this class. When in doubt, I will ask my teacher to clarify and directions or procedures.

a)

Yes, I agree

b)

No, I disagree

66.

Which of the following DOES NOT represent appropriate lab clothing and preparation?

a)

pulling long hair back

b)

removing dangling jewelry

c)

wearing a loose and baggy hooded sweatshirt

d)

wearing closed-toe shoes

67.

Two or more substances mingled together, but not chemically combined are known as a

a)

residue

b)

solution

c)

distillate

d)

mixture

68.

Making a mixture results in ___________________ only.

a)

chemical reactions

b)

separate parts

c)

physical changes

d)

two subtances

69.

Which one of the following is NOT a mixture?

a)

Sugar

b)

Paint

c)

Crude oil

d)

Air

70.

Mixtures are separated through ___________changes.

a)

mixture

b)

compound

c)

physical

71.

The things in a mixture always retain their........

a)

smell properties

b)

physical and chemical properties

c)

shape

d)

color

72.

These are mixtures that are the same throughout.

a)

homogeneous mixtures

b)

heterogeneous mixtures

c)

mixed mixtures

73.

These are mixtures that are not the same throughout.

a)

homogeneous mixtures

b)

heterogeneous mixtures

c)

solutions

d)

water

74.

Which of the following pairs of substances may best be separated through distillation

a)

sand and soil

b)

water and soil

c)

salt and sand

d)

water and alcohol

75.

Which of the following is a method of separating solutions?

a)

hand separation

b)

filtering

c)

decanting

d)

evaporation

76.

Look at the apparatus setup. It cannot be used to separate which of the following mixtures?

a)

Marble chips from oil

b)

Alcohol and water

c)

Chalk from sugar solution

d)

Sand and sea water

77.

Water and alcohol are easily separated by distillation because of their

a)

different melting points

b)

different colours

c)

different densities

d)

different boiling points

78.

Which mixture could you separate by adding water and then pouring through a coffee filter?

a)

sand and salt, because the salt would dissolve and the sand would not

b)

baking soda and salt, because they both dissolve

c)

sugar and salt, because they both dissolve

d)

iron fillings and sand, because neither one dissolves

79.

Which of the following is not a compound?

a)

HCl

b)

Cl

c)

NaCl

d)

CO2

80.

Classify the picture with the correct label.

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

81.

Classify the picture with the correct label.

a)

Element

b)

Compound

c)

Mixture of Elements and Compounds

d)

Mixture of Elements

82.

Classify the picture with the correct label.

a)

Compounds

b)

Mixture of Elements

c)

Mixture of Compounds

d)

Mixture of Elements & Compounds

83.

Classify the picture with the correct label.

a)

Element

b)

Compound

c)

Mixture of Compounds

d)

Mixture of Elements

84.

Classify the picture with the correct label.

a)

Mixture of Elements

b)

Mixture of Elements & Compounds

c)

Mixture of Compounds

d)

Compounds

85.

What is H₂SO₄ made up of?

a)

2 hydrogen, 1 sulfur, 4 oxygen

b)

1 hydrogen, 2 sulfur, 4 oxygen

c)

2 hydrogen & 4 sodium

d)

1 hydrogen & 6 sodium

86.

Name the separation technique shown in the diagram.

a)

evaporation

b)

distillation

c)

filtration

d)

decanting

87.

Which one of the following techniques would best be used to separate soil and water?

a)

Decanting

b)

distillation

c)

Filtration

d)

Chromatography

88.

Sodium chloride can be separated from rock salt by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages:

a)

evaporation followed by filtration

b)

distillation followed by decanting

c)

filtration followed by evaporation

d)

filtration followed by decanting

89.

Water and alcohol are easily separated by distillation because of their

a)

different melting points

b)

different colours

c)

different densities

d)

different boiling points

90.

Making a mixture results in ___________________ only.

a)

chemical reactions

b)

separate parts

c)

physical changes

d)

two subtances

91.

How would you separate a mixture of sand and salt?

a)

Mix them with water and let the water evaporate

b)

Mix them with water, pour the mixture through a sieve, then let the water evaporate

c)

Heat the sand and salt mixture for 5 minutes, then let it cool

d)

I would not do any of these because none of these options would work

92.

Which mixture could you separate by adding water and then pouring through a coffee filter?

a)

sand and salt, because the salt would dissolve and the sand would not

b)

baking soda and salt, because they both dissolve

c)

sugar and salt, because they both dissolve

d)

iron fillings and sand, because neither one dissolves

93.

Look at the apparatus setup. It cannot be used to separate which of the following mixtures?

a)

Marble chips from oil

b)

Alcohol and water

c)

Chalk from sugar solution

d)

Sand and sea water

94.

How many protons will atoms of this element contain?

a)

14

b)

7

c)

15

d)

it can vary

95.

An atom has 10 protons, 15 neutrons and 10 electrons. What is its MASS number?

a)

10

b)

15

c)

5

d)

25

96.

An element with a MASS number of 11 and an ATOMIC number of 5 contains how many neutrons?

a)

11

b)

5

c)

6

d)

16

97.

If you know an element's Atomic Number, you also know how many ___ all atoms/ion of that element contain.

a)

neutrons

b)

electrons

c)

protons

d)

protons and neutrons

98.

Which subatomic particle has a neutral or no charge?

a)

Proton

b)

Electron

c)

Neutron

99.

All of the mass of an atom comes from what location?

a)

nucleus

b)

electron cloud

100.

The MASS of the atom is due to its:

a)

protons, neutrons, and electrons

b)

protons and electrons

c)

protons and neutrons

d)

protons only

101.

What subatomic particle has no effect on the mass of the atom?

a)

proton

b)

neutron

c)

electron

102.

Which statement best describes the locations of the subatomic particles?

a)

The protons and electrons are found in the nucleus, while neutrons are in the cloud outside the nucleus

b)

The neutrons are in the nucleus, while the protons and electrons are in the cloud outside the nucleus

c)

The protons and neutrons are in the nucleus, while the electrons are in the cloud outside the nucleus

d)

The electrons and neutrons are in the nucleus, while the protons are in the cloud outside the nucleus

103.

An atom of an element contains 20 protons. What is the identity of the element?

a)

Neon

b)

Calcium

c)

Potassium

d)

Argon

104.

What is the Mass Number of Lithium-8?

a)

3

b)

5

c)

6.9

d)

8

105.

How many neutrons are present in an atom of Magnesium-25?

a)

12

b)

13

c)

24.3

d)

25

106.

True or False: All atoms of Nitrogen contain exactly 14.007 particles inside their nuclei.

a)

True

b)

False

107.

What does the 1.00794 stand for?

a)

The sum of protons and neutrons in an atom of H

b)

The atomic number of H

c)

The average atomic mass of all atoms of H

d)

The average number of protons in all atoms of H

108.

This causes the mass of the nucleus to increase.

a)

adding an electron

b)

adding a neutron

c)

adding another energy level

d)

adding negatively charged particles

109.

This determines an element's identity.

a)

the number of electrons in the cloud

b)

the number of protons in the nucleus

c)

the number of neutrons in the nucleus

d)

the mass number

110.

What charge does the nucleus have and why?

a)

positive - the neutrons do not have a charge

b)

positive - the neutrons and protons are both positively charged particles

c)

neutral - the neutral charge cancels out the positive charge

d)

neutral - electrons cancel out the positive charge of the atom

111.

The number at the bottom of each square on the periodic table is the ...

a)

atomic number

b)

average atomic mass

c)

mass number

d)

the sum of the protons and neutrons

112.

Which of the following nuclei are likely to be "stable"?

a)

18p⁺ and 15n⁰

b)

20p⁺ and 20n⁰

c)

11p⁺ and 8n⁰

d)

1p⁺ and 0n⁰

113.

The "isotope name" includes a name or a symbol followed by a number. This Number represents:

a)

the Number of Protons

b)

the Mass Number

c)

the Average Atomic Mass

d)

the Atomic Number

114.

a)

a

b)

b

c)

c

d)

d

115.

a)

a

b)

b

c)

c

d)

d

116.

a)

a

b)

b

c)

c

d)

d

117.

a)

a

b)

b

c)

c

d)

d

118.

a)

a

b)

b

c)

c

d)

d

119.

a)

a

b)

b

c)

c

d)

d

120.

a)

a

b)

b

c)

c

d)

d

121.

a)

a

b)

b

c)

c

d)

d

122.

What number should you always write on the left of the unit "mole"?

a)

the mass on the periodic table

b)

22.4

c)

1

d)

6.02x10²³

123.

What number should you always write on the left of the unit "g"?

a)

the mass from the periodic table

b)

22.4

c)

1

d)

6.02x10²³

124.

What number should you always write on the left of the unit "L"?

a)

the mass from the periodic table

b)

22.4

c)

1

d)

6.02x10²³

125.

What number should you always write on the left of the unit "atoms" or "molecules"?

a)

the mass from the periodic table

b)

22.4

c)

1

d)

6.02x10²³

126.

The splitting of a nucleus into smaller nuclei is

a)

fusion

b)

fission

c)

half-life

d)

gamma radiation

127.

This is an example of...

a)

Fission reaction

b)

Fusion reaction

c)

Beta Decay

d)

Alpha Decay

128.

What is a benefit of nuclear fission?

a)

The ability to absorb energy

b)

The ability to release tremendous amounts of energy

c)

It was used to end World War II

d)

There are no beneficial aspects of nuclear fission

129.

How does the energy produced in fusion reactions compare to fission reactions.

a)

FISSION reactions produce MORE energy than fusion reactions.

b)

The both produce the same amount of energy

c)

FUSION reactions produce MORE energy than fission reactions

130.

_________ happens naturally due to an unstable nucleus.

a)

fission

b)

fusion

c)

radioactive decay

131.

U-235 is the primary fuel

a)

Fission

b)

Fusion

c)

Radioactive Decay

132.

Which atoms combine together during fusion reaction on the sun?

a)

Helium and Hydrogen atoms

b)

Hydrogen atoms

c)

Hydrogen and Lithium atoms

d)

Hydrogen and Carbon atoms

133.

What were the two names of the atomic bomb bombs used in WW2

a)

Little Girl,Dragon breath

b)

Little boy,Fat man

c)

Big Women,Tiger

d)

Little boy,Fat Father

134.

What occurs in BOTH fusion and fission reactions?

a)

Small amounts of energy are converted into large amounts of matter.

b)

Small amounts of matter are converted into large amounts of energy.

c)

Heavy nuclei are split into lighter nuclei.

d)

Light nuclei are combined into heavier nuclei.

135.

In which type of reaction do two lighter nuclei combine to form one heavier nucleus?

a)

combustion

b)

ionization

c)

nuclear fission

d)

nuclear fusion

136.

Radiation is damaging to living organisms because it can knock ___ off of stable atoms and molecules.

a)

protons

b)

electrons

c)

neutrons

d)

ions

137.

During which war did the U.S. create the atomic bomb?

a)

World War I

b)

World War II

c)

Korean War

d)

Vietnam War

138.

Which famous scientist wrote the letter alerting the U.S. President, FDR, about the German's discovery of nuclear fission?

a)

Marie Curie

b)

Albert Einstein

c)

Robert Oppenheimer

d)

Katherine Johnson

139.

In which U.S. state was the city of Los Alamos, which is where the physicists worked to create the atomic bomb?

a)

New Mexico

b)

Washington

c)

Pennsylvania

d)

Massachusetts

140.

The purpose of "enriching uranium" was to:

a)

obtain a higher percentage of fissionable U-235

b)

make uranium atoms more stable

c)

capture neutrons before they collide with more uranium atoms

d)

increase the amount of ionizing radiation produced during fission reactions

141.

What particle collides with an already unstable nucleus in order to start a fission reaction?

a)

a neutron

b)

a proton

c)

another unstable nucleus

d)

an electron

142.

True or False: In order for a electron to occupy the energy levels farther from the nucleus, the energy levels closer to the nucleus must first be filled.

a)

True

b)

False

143.

How many electrons can the FIRST energy level hold?

a)

1

b)

2

c)

8

d)

0

144.

How many electrons can the p SUBLEVEL hold?

a)

14

b)

10

c)

2

d)

6

145.

Which sublevels make up the 3rd energy level?

a)

s

b)

s, p

c)

s, p, d

d)

s, p, d, f

146.

In 1s², the 1 means

a)

there is 1 electron

b)

the electrons are in the 1st energy level

c)

the shape is circular

d)

there is a -1 charge

147.

In 1s², the 2 means

a)

there are 2 electrons in this level

b)

it is the 2nd energy level

c)

there is a +2 charge

d)

there is a -2 charge

148.

In 1s², the s means

a)

the electrons are in the s sublevel

b)

the electrons move on a path that resembles the letter s

c)

there are six electrons

d)

it is neutral

149.

What is the final part of the electron configuration for Calcium (#20)?

a)

1s²⁰

b)

20s²

c)

4s²

d)

4p²

150.

The electron configuration of an atom is 1s²2s²2p⁶. The total number of electrons in the atom is __.

a)

3

b)

6

c)

8

d)

10

151.

Which electron configuration represents an aluminum (#13) atom?

a)

1s²2s²2p⁶3s²3p¹

b)

1s²2s²2p⁶3s²3p³

c)

1s²2s²2p⁶3s²4p¹

152.

What atom is represented by this electron configuration?

1s²2s²2p⁶3s²

a)

Neon

b)

Magnesium

c)

Aluminum

d)

Potassium

153.

[Ne]3s²3p²is the noble gas configuration for which element?

a)

chlorine (Cl, #17)

b)

fluorine (F, #9)

c)

sulfur (S, #16)

d)

silicon (Si, #14)

154.

What is the noble gas configuration for Iodine (#53)?

a)

[Xe] 5p⁵

b)

[Rb] 5s² 4d¹⁰ 5p⁵

c)

[Kr] 5s² 4d¹⁰ 5p⁵

d)

[Kr] 5p⁵

155.

When writing a configuration using the Noble Gas shortcut, you should write the Noble Gas that comes ___ the element in brackets [ ].

a)

before

b)

after

156.

There are ___ groups of elements in the "s block" of the Periodic Table.

a)

2

b)

6

c)

10

d)

14

157.

There are ___ groups of elements in the "d block" of the Periodic Table.

a)

2

b)

6

c)

10

d)

14

158.

What is emitted during Beta Decay?

a)

A high-energy Electron

b)

A helium nucleus

c)

A proton

d)

A high energy wave

159.

Has the symbol

a)

Alpha

b)

Beta

c)

Gamma

160.

Has the symbol

a)

Alpha

b)

Beta

c)

Gamma

161.

Consists of 2 neutrons and 2 protons

a)

Alpha

b)

Beta

c)

Gamma

162.

Which type of nuclear radiation is being emitted here?

a)

Alpha

b)

Beta

c)

Gamma

163.

What is emitted during Alpha Decay?

a)

A high-energy Electron

b)

A helium nucleus

c)

A proton

d)

A high energy wave

164.

Which type of nuclear radiation is being emitted here?

a)

Alpha

b)

Beta

c)

Gamma

165.

Which type of nuclear radiation is being emitted here?

a)

Alpha

b)

Beta

c)

Gamma

166.

Which can be stopped by your skin?

a)

alpha particles

b)

beta particles

c)

gamma radiation

167.

Which might you breathe in if you spend time in a basement that has high levels of Radon?

a)

alpha particles

b)

beta particles

c)

gamma radiation

168.

Arrange in order of INCREASING ability to penetrate matter.

a)

Beta, gamma, alpha

b)

Alpha, gamma, beta

c)

Gamma, beta, alpha

d)

Alpha, beta, gamma

169.

What happens to the atomic number during alpha decay?

a)

The atomic number decreases by 4

b)

The atomic number increases by 1

c)

The atomic number decreases by 2.

d)

The atomic number stays the same.

170.

What is the product of the ALPHA decay of Gold-175? (the atomic # of gold is 79)

a)

Ir-171

b)

Tl-179

c)

Au179

d)

Au171

171.

Which of the following completes the following equation:

¹⁴₆C --> ________ + ⁰_-1e

a)

¹⁴₅B

b)

¹⁴₆C

c)

¹⁴₇N

d)

⁴₂He

172.

Which of the following remains once Cobalt-60 undergoes GAMMA decay?

a)

Cobalt-60

b)

Copper-62

c)

Manganese-56

d)

Nickel-60

173.

Which of the following remains once Bismuth-214 undergoes ALPHA decay?

a)

Bismuth-210

b)

Bismuth-214

c)

Thallium-210

d)

Polonium-210

174.

Which of the following remains once Copper-66 undergoes BETA decay?

a)

Copper-30

b)

Cobalt-62

c)

Copper-66

d)

Zinc-66

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