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SciencebackChemistrybackIntroductory / Preparatory ChemistrybackChemistry An Introduction to General Organic and Biological ChemistrybackPractice Set 2498back

Nuclear Chemistry

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Question 1
Free
Multiple Choice

What is the nuclear symbol for a radioactive isotope of copper with a mass number of 60?

Choose correct answer/s
A

image Cu

B

image Cu

C

29Cu

D

image Cu

E

image Cu

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Question 2
Free
Multiple Choice

The nuclear symbol of helium, image He,is also the symbol for designating a(n) ________ .

Choose correct answer/s
A

proton

B

neutron

C

gamma ray

D

beta particle

E

alpha particle

Check answer
Question 3
Free
Multiple Choice

The symbol 4e is a symbol used for a(n) ________ .

Choose correct answer/s
A

proton

B

neutron

C

gamma ray

D

beta particle

E

alpha particle

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Question 4
Free
Multiple Choice

Which of the following types of radiation has the highest energy?

Choose correct answer/s
A

α-particles

B

β-particles

C

γ-rays

D

visible light

E

All of these have the same energy.

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Question 5
Free
Multiple Choice

The damaging effects of radiation on the body are a result of ________ .

Choose correct answer/s
A

the formation of unstable ions

B

the formation of radioactive atoms in the body

C

transmutation reactions in the body

D

extensive damage to nerve cells

E

the production of radioactive sodium ions in the body

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Question 6
Multiple Choice

Which of the following is suitable as a minimum shielding for beta particles?

Choose correct answer/s
A
air
B
1 sheet of paper
C
gloves
D
1 m of concrete
E
1 cm of lead
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Question 7
Multiple Choice

For image Sr,there are ________ .

Choose correct answer/s
A
85 protons and 38 neutrons
B
47 protons and 38 neutrons
C
38 protons and 47 neutrons
D
38 protons and 85 neutrons
E
85 protons and 47 neutrons
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Question 8
Multiple Choice

Which is not a way to minimize your exposure to radiation?

Choose correct answer/s
A
wearing a lead apron
B
keeping a good distance
C
standing behind a thick concrete wall
D
wearing lead-lined gloves
E
staying a longer time
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Question 9
Multiple Choice

A positron is a particle emitted from the nucleus that has the same mass as a(n) ________ .

Choose correct answer/s
A
electron but has a positive charge
B
neutron but has a positive charge
C
alpha particle
D
beta particle
E
proton emitted from the nucleus
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Question 10
Multiple Choice

The process in which a nucleus spontaneously breaks down by emitting radiation is known as ________ .

Choose correct answer/s
A
transformation
B
translation
C
fusion
D
a chain reaction
E
radioactive decay
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Question 11
Multiple Choice

Gamma rays require the heaviest shielding of all the common types of nuclear radiation because gamma rays have the ________ .

Choose correct answer/s
A
highest energy
B
most intense color
C
lowest energy
D
largest particles
E
heaviest particles
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Question 12
Multiple Choice

If absorbed internally,alpha particle emitters are the most damaging because alpha particles ________ .

Choose correct answer/s
A
have the largest charge
B
have the greatest energy
C
have the greatest mass
D
consist of high energy electrons
E
consist of pure energy
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Question 13
Multiple Choice

Radium-226 decays by alpha emission to ________ .

Choose correct answer/s
A
barium-131
B
cobalt-60
C
carbon-14
D
polonium-218
E
radon-222
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Question 14
Multiple Choice

The product from the alpha decay of image U is ________ .

Choose correct answer/s
A
image Np
B
image Pu
C
image Th
D
image Ra
E
image U
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Question 15
Multiple Choice

The product from the positron emission of image Cs is ________ .

Choose correct answer/s
A
image Cs
B
image I
C
image Xe
D
image Ba
E
image Xe
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Question 16
Multiple Choice

A nuclear equation is balanced when ________ .

Choose correct answer/s
A
the same elements are found on both sides of the equation
B
the sum of the mass numbers and the sum of the atomic numbers of the particles and atoms are the same on both sides of the equation
C
the same particles and atoms are on both sides of the equation
D
different particles and atoms are on both sides of the equation
E
the charges of the particles and atoms are the same on both sides of the equation
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Question 17
Multiple Choice

The nuclear reaction shown below is an example of what type of process? image Th → image Rn + image He

Choose correct answer/s
A
fusion
B
fission
C
translation
D
alpha decay
E
beta decay
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Question 18
Multiple Choice

In the nuclear equation of beta decay, ________ .

Choose correct answer/s
A
the new nucleus contains 2 fewer protons
B
the new nucleus contains 2 more protons
C
the mass number of the new nucleus is 4 less than that of the original nucleus
D
the new nucleus contains 1 more proton
E
the new nucleus contains 1 less proton
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Question 19
Multiple Choice

Nitrogen-17 undergoes beta decay.What is the isotope produced in the radioactive decay?

Choose correct answer/s
A
image C
B
image B
C
image N
D
image F
E
image O
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Question 20
Multiple Choice

The nuclear reaction image Sn → image Sb + ? is an example of ________ .

Choose correct answer/s
A
fusion
B
fission
C
gamma emission
D
alpha decay
E
beta decay
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