Question 1

_____ have a negative charge.

Accepted Answer

A)  Protons 
B)  Neutrons 
C)  Electrons 
D)  Protons and neutrons 
E)  Protons, neutrons, and electrons 
A)  Protons 
B)  Neutrons 
C)  Electrons 
D)  Protons and neutrons 
E)  Protons, neutrons, and electrons

Question 2

Which element would you expect to be the largest?

Accepted Answer

A)  fluorine 
B)  chlorine 
C)  argon 
D)  calcium 
E)  hydrogen 
A)  fluorine 
B)  chlorine 
C)  argon 
D)  calcium 
E)  hydrogen

Question 3

Effective dose measurements take into account the ______ of a type of radiation.

Accepted Answer

A)  energy 
B)  penetrating ability 
C)  biological effect 
D)  quantity 
E)  All of the above are taken into account for the effective dose measurement. 
A)  energy 
B)  penetrating ability 
C)  biological effect 
D)  quantity 
E)  All of the above are taken into account for the effective dose measurement.

Question 4

According to the periodic table, which element is found in period 2, group 5A?

Accepted Answer

A)  nitrogen 
B)  vanadium 
C)  strontium 
D)  boron 
E)  cadmium 
A)  nitrogen 
B)  vanadium 
C)  strontium 
D)  boron 
E)  cadmium

Question 5

In which of the following reactions is the missing particle an alpha particle?

Accepted Answer

A)    
B)    
C)    
D)    
E)  All of these are examples of alpha decay. 
A)    
B)    
C)    
D)    
E)  All of these are examples of alpha decay.

Question 6

The groups are the _____ of the periodic table.

Accepted Answer

A)  transition metals 
B)  halogens 
C)  rows 
D)  columns 
E)  numbers 
A)  transition metals 
B)  halogens 
C)  rows 
D)  columns 
E)  numbers

Question 7

According to the graph, what is the half-life in years of 226Ra?

Accepted Answer

A)  8,000 years 
B)  6,400 years 
C)  4,800 years 
D)  3,200 years 
E)  1,600 years 
A)  8,000 years 
B)  6,400 years 
C)  4,800 years 
D)  3,200 years 
E)  1,600 years

Question 8

_____ have a positive charge.

Accepted Answer

A)  Protons 
B)  Neutrons 
C)  Electrons 
D)  Protons and neutrons 
E)  Protons, neutrons, and electrons 
A)  Protons 
B)  Neutrons 
C)  Electrons 
D)  Protons and neutrons 
E)  Protons, neutrons, and electrons

Question 9

An atom in a metastable state is

Accepted Answer

A)  unusually low in energy. 
B)  unusually stable. 
C)  very unreactive. 
D)  high in energy. 
E)  emittable. 
A)  unusually low in energy. 
B)  unusually stable. 
C)  very unreactive. 
D)  high in energy. 
E)  emittable.

Question 10

According to the graph, radioactive decay is a(n)_________ in radioactivity as a function of time.

Accepted Answer

A)  linear decrease 
B)  linear increase 
C)  exponential decrease 
D)  exponential increase 
E)  random decrease 
A)  linear decrease 
B)  linear increase 
C)  exponential decrease 
D)  exponential increase 
E)  random decrease

Question 11

What is the atomic number of element X?

Accepted Answer

A)  25 
B)  56 
C)  81 
D)  31 
E)  None of the above values is the atomic number. 
A)  25 
B)  56 
C)  81 
D)  31 
E)  None of the above values is the atomic number.

Question 12

According to the periodic table, what types of elements are in group 1A?

Accepted Answer

A)  transition metals 
B)  noble gases 
C)  alkaline earth metals 
D)  alkali metals 
E)  halogens 
A)  transition metals 
B)  noble gases 
C)  alkaline earth metals 
D)  alkali metals 
E)  halogens

Question 13

Which statement BEST interprets the statement below? The LD50 for radiation is an acute dose of 3-4 Sv.

Accepted Answer

A)  Exposure to 50 mg of a radiation source will result in radiation poisoning. 
B)  Exposure to 50 mg of a radiation source will result in death. 
C)  Fifty percent of people exposed to this dose will get sick within one month of the exposure. 
D)  Fifty percent of people exposed to this dose will die within one month of the exposure. 
E)  4 to 6 Sv is the maximum dose that 50% of people can undergo without long-term injury. 
A)  Exposure to 50 mg of a radiation source will result in radiation poisoning. 
B)  Exposure to 50 mg of a radiation source will result in death. 
C)  Fifty percent of people exposed to this dose will get sick within one month of the exposure. 
D)  Fifty percent of people exposed to this dose will die within one month of the exposure. 
E)  4 to 6 Sv is the maximum dose that 50% of people can undergo without long-term injury.

Question 14

_____ is an important component of the immune system as well as required by many enzymes.

Accepted Answer

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

Question 15

According to the periodic table, how many valence electrons do the elements in the third row have?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  8 
E)  It depends on the specific element. 
A)  3 
B)  4 
C)  5 
D)  8 
E)  It depends on the specific element.

Question 16

According to the periodic table, what types of elements are in group 7A?

Accepted Answer

A)  transition metals 
B)  noble gases 
C)  alkaline earth metals 
D)  alkali metals 
E)  halogens 
A)  transition metals 
B)  noble gases 
C)  alkaline earth metals 
D)  alkali metals 
E)  halogens

Question 17

What is a common symptom of iodine deficiency?

Accepted Answer

A)  weak bones and teeth 
B)  enlarged thyroid 
C)  anemia 
D)  slow wound healing 
E)  All of these are common symptoms. 
A)  weak bones and teeth 
B)  enlarged thyroid 
C)  anemia 
D)  slow wound healing 
E)  All of these are common symptoms.

Question 18

According to the periodic table, how many valence electrons do the elements in group 7A have?

Accepted Answer

A)  5 
B)  6 
C)  7 
D)  8 
E)  It depends on the specific element. 
A)  5 
B)  6 
C)  7 
D)  8 
E)  It depends on the specific element.

Question 19

Which of the following statements about isotopes is FALSE?

Accepted Answer

A)  Isotopes are atoms with the same number of protons but different numbers of neutrons. 
B)  Most elements naturally have more than one isotope. 
C)  Isotopes are atoms with the same atomic number but different mass numbers. 
D)  An isotope with more neutrons will have a greater mass than an isotope with fewer neutrons. 
E)  Isotopes are present in equal quantities. 
A)  Isotopes are atoms with the same number of protons but different numbers of neutrons. 
B)  Most elements naturally have more than one isotope. 
C)  Isotopes are atoms with the same atomic number but different mass numbers. 
D)  An isotope with more neutrons will have a greater mass than an isotope with fewer neutrons. 
E)  Isotopes are present in equal quantities.

Question 20

Which of the following describes a benefit of using Sieverts instead of grays to measure the quantity of radiation that a patient has received?

Accepted Answer

A)  Sieverts measure the biological effect of radiation, not just quantity. 
B)  Grays measure the biological effect of radiation, not just quantity. 
C)  Sieverts measure the amount of energy absorbed, not just quantity. 
D)  Grays measure the amount of energy absorbed, not just quantity. 
E)  There is no benefit. 
A)  Sieverts measure the biological effect of radiation, not just quantity. 
B)  Grays measure the biological effect of radiation, not just quantity. 
C)  Sieverts measure the amount of energy absorbed, not just quantity. 
D)  Grays measure the amount of energy absorbed, not just quantity. 
E)  There is no benefit.

_____ have a negative charge.

Which element would you expect to be the largest?

Effective dose measurements take into account the ______ of a type of radiation.

According to the periodic table, which element is found in period 2, group 5A?

In which of the following reactions is the missing particle an alpha particle?

The groups are the _____ of the periodic table.

According to the graph, what is the half-life in years of ²²⁶Ra?

_____ have a positive charge.

An atom in a metastable state is

According to the graph, radioactive decay is a(n)_________ in radioactivity as a function of time.

What is the atomic number of element X?

According to the periodic table, what types of elements are in group 1A?

Which statement BEST interprets the statement below? The LD₅₀ for radiation is an acute dose of 3-4 Sv.

_____ is an important component of the immune system as well as required by many enzymes.

According to the periodic table, how many valence electrons do the elements in the third row have?

According to the periodic table, what types of elements are in group 7A?

What is a common symptom of iodine deficiency?

According to the periodic table, how many valence electrons do the elements in group 7A have?

Which of the following statements about isotopes is FALSE?

Which of the following describes a benefit of using Sieverts instead of grays to measure the quantity of radiation that a patient has received?

Matter, Energy, and Measurement

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 2: Atomic Structure and Radioisotopes

_____ have a negative charge.

Which element would you expect to be the largest?

Effective dose measurements take into account the ______ of a type of radiation.

According to the periodic table, which element is found in period 2, group 5A?

In which of the following reactions is the missing particle an alpha particle?

The groups are the _____ of the periodic table.

According to the graph, what is the half-life in years of 226Ra?

_____ have a positive charge.

An atom in a metastable state is

According to the graph, radioactive decay is a(n)_________ in radioactivity as a function of time.

What is the atomic number of element X?

According to the periodic table, what types of elements are in group 1A?

Which statement BEST interprets the statement below? The LD50 for radiation is an acute dose of 3-4 Sv.

_____ is an important component of the immune system as well as required by many enzymes.

According to the periodic table, how many valence electrons do the elements in the third row have?

According to the periodic table, what types of elements are in group 7A?

What is a common symptom of iodine deficiency?

According to the periodic table, how many valence electrons do the elements in group 7A have?

Which of the following statements about isotopes is FALSE?

Which of the following describes a benefit of using Sieverts instead of grays to measure the quantity of radiation that a patient has received?

Matter, Energy, and Measurement

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

According to the graph, what is the half-life in years of ²²⁶Ra?

Which statement BEST interprets the statement below? The LD₅₀ for radiation is an acute dose of 3-4 Sv.