Question 1

What is depleted uranium?

Accepted Answer

A)  ${ }_{92}^{234} \mathrm{U}$ 
B)  ${ }_{92}^{235} \mathrm{U}$ 
C)  ${ }_{92}^{238} \mathrm{U}$ 
D) None of the above isotopes 
A)  ${ }_{92}^{234} \mathrm{U}$ 
B)  ${ }_{92}^{235} \mathrm{U}$ 
C)  ${ }_{92}^{238} \mathrm{U}$ 
D) None of the above isotopes

Question 2

What will balance the following: ${ }_{90}^{234} \mathrm{Th}$ ? ${ }_{88}^{230} \mathrm{Ra}$ ?

Accepted Answer

A)  ${ }_{2}^{4} \mathrm{He}$ 
B)  ${ }_{2}^{4} \mathrm{H}$ 
C)  ${ }_{4}^{2} \mathrm{He}$ 
D)  ${ }_{4}^{2} \mathrm{H}$ 
A)  ${ }_{2}^{4} \mathrm{He}$ 
B)  ${ }_{2}^{4} \mathrm{H}$ 
C)  ${ }_{4}^{2} \mathrm{He}$ 
D)  ${ }_{4}^{2} \mathrm{H}$

Question 3

What percentage of background radiation is provided by consumer products?

Accepted Answer

A) 3% 
B) 8% 
C) 11% 
D) 55% 
A) 3% 
B) 8% 
C) 11% 
D) 55%

Question 4

What radioactive particle will balance the following : ${ }_{90}^{234} \mathrm{Th}$ ? ${ }_{91}^{234} \mathrm{~Pa}$ ?

Accepted Answer

A)  ${ }_{1}^{1} \mathrm{H}$ 
B)  ${ }_{2}^{4} \mathrm{He}$ 
C)  ${ }_{-1}^{0} \mathrm{e}$ 
D)  ${ }_{0}^{-1} \mathrm{e}$ 
A)  ${ }_{1}^{1} \mathrm{H}$ 
B)  ${ }_{2}^{4} \mathrm{He}$ 
C)  ${ }_{-1}^{0} \mathrm{e}$ 
D)  ${ }_{0}^{-1} \mathrm{e}$

Question 5

What is the half-life of ${ }_{86}^{210} \mathrm{Po}$ ?

Accepted Answer

A) 138 days 
B) 2 weeks 
C) 100 days 
D) None of the above; there is no such element as
${ }_{86}^{210} \mathrm{Po}$ . 
A) 138 days 
B) 2 weeks 
C) 100 days 
D) None of the above; there is no such element as
${ }_{86}^{210} \mathrm{Po}$ .

Question 6

What do most isotopes emit that are intended for diagnosing various disorders?

Accepted Answer

A) Beta particles 
B) Gamma rays 
C) Alpha particles 
D) Electrons 
A) Beta particles 
B) Gamma rays 
C) Alpha particles 
D) Electrons

Question 7

Why are nuclear power plants not in danger of a nuclear explosion?

Accepted Answer

A) The enrichment of uranium remains too low for an explosion. 
B) They don't use any nuclear material. 
C) They don't tend to use uranium, at least not those built in the United States. 
D) There is a risk, although a small one, of an explosion. 
A) The enrichment of uranium remains too low for an explosion. 
B) They don't use any nuclear material. 
C) They don't tend to use uranium, at least not those built in the United States. 
D) There is a risk, although a small one, of an explosion.

Question 8

Glow-in-the-dark toys and watches function by what chemical process?

Accepted Answer

A) Phosphorescence 
B) Chemiluminescence 
C) Hydroluminescence 
D) Phosphorylation 
A) Phosphorescence 
B) Chemiluminescence 
C) Hydroluminescence 
D) Phosphorylation

Question 9

Why do beta particles have less ionizing power than alpha particles?

Accepted Answer

A) Because their velocity is less 
B) Because their mass is the smaller of the two 
C) Because their atomic profile is the lighter of the two 
D) Because they just do no one knows why 
A) Because their velocity is less 
B) Because their mass is the smaller of the two 
C) Because their atomic profile is the lighter of the two 
D) Because they just do no one knows why

Question 10

Which element is a major source of background radiation?

Accepted Answer

A) Radon 
B) Radium 
C) Uranium 
D) Plutonium 
A) Radon 
B) Radium 
C) Uranium 
D) Plutonium

Question 11

What is an alpha particle?

Accepted Answer

Two proton

Question 12

What is a transmutation reaction?

Accepted Answer

A) A nuclear reaction in which one stable isotope is converted into a different isotope. 
B) A nuclear reaction in which one unstable isotope is converted into another. 
C) A nuclear reaction in which one stable isotope is converted into an alpha emitter. 
D) A nuclear reaction in which one unstable isotope is converted into an alpha emitter. 
A) A nuclear reaction in which one stable isotope is converted into a different isotope. 
B) A nuclear reaction in which one unstable isotope is converted into another. 
C) A nuclear reaction in which one stable isotope is converted into an alpha emitter. 
D) A nuclear reaction in which one unstable isotope is converted into an alpha emitter.

Question 13

What type of fuel rods are used in many nuclear reactors?

Accepted Answer

The answer of What type of fuel rods are used...

Question 14

Why aren't gamma emitter isotopes used to diagnose medical disorders?

Accepted Answer

A) They don't have enough penetrating power. 
B) They are too cytotoxic. 
C) They are too short-lived in the human body. 
D) None of the above; they are often used. 
A) They don't have enough penetrating power. 
B) They are too cytotoxic. 
C) They are too short-lived in the human body. 
D) None of the above; they are often used.

Question 15

What is a characteristic of gamma radiation?

Accepted Answer

A) Low penetrating power, but high ionization power 
B) Low ionization power, but high penetrating power 
C) Low ionization power and low penetrating power 
D) High ionization power and high penetrating power 
A) Low penetrating power, but high ionization power 
B) Low ionization power, but high penetrating power 
C) Low ionization power and low penetrating power 
D) High ionization power and high penetrating power

Question 16

What is depleted uranium?

Accepted Answer

Uranium from which u

Question 17

All elements above the atomic number 83 consist of what?

Accepted Answer

A) Heavy nuclei with minimal electron shells 
B) Radioactive isotopes 
C) Isotopes that can never lie in the belt of stability 
D) Elements with too few neutrons 
A) Heavy nuclei with minimal electron shells 
B) Radioactive isotopes 
C) Isotopes that can never lie in the belt of stability 
D) Elements with too few neutrons

Question 18

What forms of radioactive emissions can be used to cause damage to cancer cells?

Accepted Answer

A) Alpha particles 
B) Beta particles 
C) Gamma rays 
D) All of the above 
A) Alpha particles 
B) Beta particles 
C) Gamma rays 
D) All of the above

Question 19

What is the danger of radioactivity to people?

Accepted Answer

A) The rays and particles can collide with molecules in the body and ionize them by breaking internal bonds. 
B) The rays and particles can collide with organs in the body and ionize them by breaking medically important bonds. 
C) The rays and particles can cause illness in the body and ionize them by inducing organ failure. 
D) None of the above 
A) The rays and particles can collide with molecules in the body and ionize them by breaking internal bonds. 
B) The rays and particles can collide with organs in the body and ionize them by breaking medically important bonds. 
C) The rays and particles can cause illness in the body and ionize them by inducing organ failure. 
D) None of the above

Question 20

What factor determines the danger of exposure to radiation?

Accepted Answer

A) The radiation type 
B) Dose of radiation received 
C) Length of time of exposure 
D) All of the above. 
A) The radiation type 
B) Dose of radiation received 
C) Length of time of exposure 
D) All of the above.

What is depleted uranium?

What will balance the following: ${ }_{90}^{234} \mathrm{Th}$ ? ${ }_{88}^{230} \mathrm{Ra}$ ?

What percentage of background radiation is provided by consumer products?

What radioactive particle will balance the following : ${ }_{90}^{234} \mathrm{Th}$ ? ${ }_{91}^{234} \mathrm{~Pa}$ ?

What is the half-life of ${ }_{86}^{210} \mathrm{Po}$ ?

What do most isotopes emit that are intended for diagnosing various disorders?

Why are nuclear power plants not in danger of a nuclear explosion?

Glow-in-the-dark toys and watches function by what chemical process?

Why do beta particles have less ionizing power than alpha particles?

Which element is a major source of background radiation?

What is an alpha particle?

What is a transmutation reaction?

What type of fuel rods are used in many nuclear reactors?

Why aren't gamma emitter isotopes used to diagnose medical disorders?

What is a characteristic of gamma radiation?

What is depleted uranium?

All elements above the atomic number 83 consist of what?

What forms of radioactive emissions can be used to cause damage to cancer cells?

What is the danger of radioactivity to people?

What factor determines the danger of exposure to radiation?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Chemical Equilibrium

Introduction to Biochemistry

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Exam 12: Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

What is depleted uranium?

What will balance the following: 90234Th{ }_{90}^{234} \mathrm{Th}90234​Th ? 88230Ra{ }_{88}^{230} \mathrm{Ra}88230​Ra ?

What percentage of background radiation is provided by consumer products?

What radioactive particle will balance the following : 90234Th{ }_{90}^{234} \mathrm{Th}90234​Th ? 91234 Pa{ }_{91}^{234} \mathrm{~Pa}91234​ Pa ?

What is the half-life of 86210Po{ }_{86}^{210} \mathrm{Po}86210​Po ?

What do most isotopes emit that are intended for diagnosing various disorders?

Why are nuclear power plants not in danger of a nuclear explosion?

Glow-in-the-dark toys and watches function by what chemical process?

Why do beta particles have less ionizing power than alpha particles?

Which element is a major source of background radiation?

What is an alpha particle?

What is a transmutation reaction?

What type of fuel rods are used in many nuclear reactors?

Why aren't gamma emitter isotopes used to diagnose medical disorders?

What is a characteristic of gamma radiation?

What is depleted uranium?

All elements above the atomic number 83 consist of what?

What forms of radioactive emissions can be used to cause damage to cancer cells?

What is the danger of radioactivity to people?

What factor determines the danger of exposure to radiation?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Chemical Equilibrium

Introduction to Biochemistry

Filters

What will balance the following: ${ }_{90}^{234} \mathrm{Th}$ ? ${ }_{88}^{230} \mathrm{Ra}$ ?

What radioactive particle will balance the following : ${ }_{90}^{234} \mathrm{Th}$ ? ${ }_{91}^{234} \mathrm{~Pa}$ ?

What is the half-life of ${ }_{86}^{210} \mathrm{Po}$ ?