Question 1

Which atom has the largest diameter?

Accepted Answer

A)  H 
B)  He 
C)  H and He 
D)  Li 
E)  All of the above have the same diameter. 
A)  H 
B)  He 
C)  H and He 
D)  Li 
E)  All of the above have the same diameter.

Question 2

Which of the following changes when gamma radiation is released?

Accepted Answer

A)  atomic number 
B)  number of protons 
C)  number of electrons 
D)  number of neutrons 
E)  energy of the isotope 
A)  atomic number 
B)  number of protons 
C)  number of electrons 
D)  number of neutrons 
E)  energy of the isotope

Question 3

What is the relationship between the energy and the wavelength of light?

Accepted Answer

A)  They are proportional. 
B)  They are inversely proportional. 
C)  As one increases, so does the other, but not in a linear way. 
D)  As one increases, the other decreases, but not in a predictable way. 
E)  They are unrelated in any way. 
A)  They are proportional. 
B)  They are inversely proportional. 
C)  As one increases, so does the other, but not in a linear way. 
D)  As one increases, the other decreases, but not in a predictable way. 
E)  They are unrelated in any way.

Question 4

A nuclear equation is balanced when which of the following is equal on both sides of the equation?

Accepted Answer

A)  identity of the atoms 
B)  charges on the atoms 
C)  identity of the radioactive particles 
D)  sum of the atomic numbers 
E)  sum of the atomic and mass numbers 
A)  identity of the atoms 
B)  charges on the atoms 
C)  identity of the radioactive particles 
D)  sum of the atomic numbers 
E)  sum of the atomic and mass numbers

Question 5

A Geiger counter can be used to obtain a measurement

Accepted Answer

A)  of effective dose. 
B)  of absorbed dose. 
C)  in rems or Rads. 
D)  of the number of radioactive emissions. 
E)  in grays. 
A)  of effective dose. 
B)  of absorbed dose. 
C)  in rems or Rads. 
D)  of the number of radioactive emissions. 
E)  in grays.

Question 6

The size of atoms generally increases as the number of

Accepted Answer

A)  electron shells increases. 
B)  electrons in the valence shell increases. 
C)  neutrons in atoms increases. 
D)  protons increases. 
E)  All atoms are the same size. 
A)  electron shells increases. 
B)  electrons in the valence shell increases. 
C)  neutrons in atoms increases. 
D)  protons increases. 
E)  All atoms are the same size.

Question 7

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

Accepted Answer

A)  fusion. 
B)  fission. 
C)  a chain reaction. 
D)  reaction. 
E)  radioactive decay. 
A)  fusion. 
B)  fission. 
C)  a chain reaction. 
D)  reaction. 
E)  radioactive decay.

Question 8

What sort of information do the units used in this table take into account?

Accepted Answer

A)  energy of the radiation 
B)  penetrating ability of the radiation 
C)  quality factor of the radiation 
D)  quantity of the radiation 
E)  All of the above 
A)  energy of the radiation 
B)  penetrating ability of the radiation 
C)  quality factor of the radiation 
D)  quantity of the radiation 
E)  All of the above

Question 9

What fraction of the electromagnetic spectrum is visible to humans?

Accepted Answer

A)  about two-thirds of it 
B)  half of it 
C)  about one-quarter of it 
D)  a very small fraction of it 
E)  none of it 
A)  about two-thirds of it 
B)  half of it 
C)  about one-quarter of it 
D)  a very small fraction of it 
E)  none of it

Question 10

Technetium-99m is used in a variety of medical applications. It has a half-life of 6 hours. If 100.0 mg of technetium-99m is prepared at 6:00 AM, how many milligrams are still active when it is needed for diagnostic testing at 6:00 PM?

Accepted Answer

A)  100.0 mg 
B)  50.0 mg 
C)  25.0 mg 
D)  10.0 mg 
E)  5.00 mg 
A)  100.0 mg 
B)  50.0 mg 
C)  25.0 mg 
D)  10.0 mg 
E)  5.00 mg

Question 11

Carbon-11 has a half-life of 20 minutes. Which of the following equations is used to calculate the amount of carbon-11 remaining after one hour if the starting material a 100-mg sample?

Accepted Answer

A)  100 mg F1F1F1S1F1F1F10 ½ 
B)  100 mg/3 
C)  100 mg/20 
D)  100 mg/20/20/20 
E)  100 mg F1F1F1S1F1F1F10 ½ F1F1F1S1F1F1F10 ½ F1F1F1S1F1F1F10 ½ 
A)  100 mg F1F1F1S1F1F1F10 ½ 
B)  100 mg/3 
C)  100 mg/20 
D)  100 mg/20/20/20 
E)  100 mg F1F1F1S1F1F1F10 ½ F1F1F1S1F1F1F10 ½ F1F1F1S1F1F1F10 ½

Question 12

_____ is an important component of hemoglobin. Without this protein, tissues become starved of oxygen and fatigue and shortness of breath results.

Accepted Answer

A)  Iodine 
B)  Flourine 
C)  Zinc 
D)  Iron 
E)  Oxygen 
A)  Iodine 
B)  Flourine 
C)  Zinc 
D)  Iron 
E)  Oxygen

Question 13

Isotopes are

Accepted Answer

A)  elements with the same number of electrons but different numbers of protons. 
B)  elements with the same number of protons but different numbers of electrons. 
C)  elements with the same number of electrons but different numbers of neutrons. 
D)  elements with the same number of protons but different numbers of neutrons. 
E)  elements with the same number of neutrons but different numbers of protons. 
A)  elements with the same number of electrons but different numbers of protons. 
B)  elements with the same number of protons but different numbers of electrons. 
C)  elements with the same number of electrons but different numbers of neutrons. 
D)  elements with the same number of protons but different numbers of neutrons. 
E)  elements with the same number of neutrons but different numbers of protons.

Question 14

The element chlorine has three electron shells. How many electrons are in each shell?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 15

Which isotope in Zirconium is the lightest?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Which atom has the largest diameter?

Which of the following changes when gamma radiation is released?

What is the relationship between the energy and the wavelength of light?

A nuclear equation is balanced when which of the following is equal on both sides of the equation?

A Geiger counter can be used to obtain a measurement

The size of atoms generally increases as the number of

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

What sort of information do the units used in this table take into account?

What fraction of the electromagnetic spectrum is visible to humans?

Technetium-99m is used in a variety of medical applications. It has a half-life of 6 hours. If 100.0 mg of technetium-99m is prepared at 6:00 AM, how many milligrams are still active when it is needed for diagnostic testing at 6:00 PM?

Carbon-11 has a half-life of 20 minutes. Which of the following equations is used to calculate the amount of carbon-11 remaining after one hour if the starting material a 100-mg sample?

_____ is an important component of hemoglobin. Without this protein, tissues become starved of oxygen and fatigue and shortness of breath results.

Isotopes are

The element chlorine has three electron shells. How many electrons are in each shell?

Which isotope in Zirconium is the lightest?

Measuring Matter and Energy

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

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Exam 2: Atomic Structure and Nuclear Radiation

Which atom has the largest diameter?

Which of the following changes when gamma radiation is released?

What is the relationship between the energy and the wavelength of light?

A nuclear equation is balanced when which of the following is equal on both sides of the equation?

A Geiger counter can be used to obtain a measurement

The size of atoms generally increases as the number of

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

What sort of information do the units used in this table take into account?

What fraction of the electromagnetic spectrum is visible to humans?

Technetium-99m is used in a variety of medical applications. It has a half-life of 6 hours. If 100.0 mg of technetium-99m is prepared at 6:00 AM, how many milligrams are still active when it is needed for diagnostic testing at 6:00 PM?

Carbon-11 has a half-life of 20 minutes. Which of the following equations is used to calculate the amount of carbon-11 remaining after one hour if the starting material a 100-mg sample?

_____ is an important component of hemoglobin. Without this protein, tissues become starved of oxygen and fatigue and shortness of breath results.

Isotopes are

The element chlorine has three electron shells. How many electrons are in each shell?

Which isotope in Zirconium is the lightest?

Measuring Matter and Energy

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters