Question 1

Which of the following indicates that an alpha particle has been released during radioactive decay of an atom?

Accepted Answer

A)  The identity of the atom does not change. 
B)  The mass number of the atom decreases by 4. 
C)  The atomic number of the atom increases by 1 
D)  The atomic number of the atom decreases by 1. 
E)  The atomic number of the atom decreases by 4. 
A)  The identity of the atom does not change. 
B)  The mass number of the atom decreases by 4. 
C)  The atomic number of the atom increases by 1 
D)  The atomic number of the atom decreases by 1. 
E)  The atomic number of the atom decreases by 4.

Question 2

Which atom is in its ground state?

Accepted Answer

A)  H 
B)  He 
C)  H and He 
D)  Li 
E)  All of the above 
A)  H 
B)  He 
C)  H and He 
D)  Li 
E)  All of the above

Question 3

Which of the following elements has a mass number of 35 and an atomic number of 17?

Accepted Answer

A)  chlorine 
B)  bromine 
C)  argon 
D)  tellurium 
E)  sulfur-35 
A)  chlorine 
B)  bromine 
C)  argon 
D)  tellurium 
E)  sulfur-35

Question 4

Which of the following statements about isotopes is false?

Accepted Answer

A)  Isotopes are atoms with 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)  All of the above are true. 
A)  Isotopes are atoms with 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)  All of the above are true.

Question 5

Nonmetals typically ______ and metals typically ______.

Accepted Answer

A)  donate electrons; accept electrons 
B)  accept electrons; donate electrons 
C)  donate protons; accept protons 
D)  accept protons; donate protons 
E)  donate neutrons; accept neutrons 
A)  donate electrons; accept electrons 
B)  accept electrons; donate electrons 
C)  donate protons; accept protons 
D)  accept protons; donate protons 
E)  donate neutrons; accept neutrons

Question 6

How is a beta particle different from an electron?

Accepted Answer

A)  They are the same. 
B)  A beta particle is higher energy than a regular electron 
C)  A regular electron is higher energy than a beta particle. 
D)  A beta particle is positively charged. 
E)  A beta particle is positively charged and higher in energy than a regular electron. 
A)  They are the same. 
B)  A beta particle is higher energy than a regular electron 
C)  A regular electron is higher energy than a beta particle. 
D)  A beta particle is positively charged. 
E)  A beta particle is positively charged and higher in energy than a regular electron.

Question 7

The number of protons is equal to the _____ in a neutral atom.

Accepted Answer

A)  number of neutrons 
B)  number of electrons 
C)  mass number 
D)  average atomic mass 
E)  group number 
A)  number of neutrons 
B)  number of electrons 
C)  mass number 
D)  average atomic mass 
E)  group number

Question 8

Which of the following is NOT a symptom of iron deficiency?

Accepted Answer

A)  dizziness 
B)  shortness of breath 
C)  frequent urination 
D)  headaches 
E)  fatigue 
A)  dizziness 
B)  shortness of breath 
C)  frequent urination 
D)  headaches 
E)  fatigue

Question 9

The most common nutritional deficiency in the world is_____.

Accepted Answer

A)  scurvy 
B)  anemia 
C)  kwashiorkor 
D)  rickets 
E)  pellagra 
A)  scurvy 
B)  anemia 
C)  kwashiorkor 
D)  rickets 
E)  pellagra

Question 10

According to the current model of the atom, the part of the diagram labeled A is made up of

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 11

Which of the following is NOT a building block element?

Accepted Answer

A)  C 
B)  H 
C)  O 
D)  N 
E)  These are all building block elements. 
A)  C 
B)  H 
C)  O 
D)  N 
E)  These are all building block elements.

Question 12

Radioactive isotopes are

Accepted Answer

A)  very stable isotopes. 
B)  highly chemically reactive. 
C)  unstable isotopes. 
D)  charged species. 
E)  unusually nonreactive. 
A)  very stable isotopes. 
B)  highly chemically reactive. 
C)  unstable isotopes. 
D)  charged species. 
E)  unusually nonreactive.

Question 13

Oxygen is a _______ and therefore _______ when it forms an ion.

Accepted Answer

A)  metal; loses electrons 
B)  metal; gains electrons 
C)  nonmetal; loses electrons 
D)  nonmetal; gains electrons 
E)  metalloid; loses electrons 
A)  metal; loses electrons 
B)  metal; gains electrons 
C)  nonmetal; loses electrons 
D)  nonmetal; gains electrons 
E)  metalloid; loses electrons

Question 14

Which of the following groups of elements forms anions?

Accepted Answer

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

Question 15

Which of the following choices describes an acute dose of radiation?

Accepted Answer

A)  the dose that an x-ray technician receives over the course of her career 
B)  the dose that a scientist receives while working with radioactive materials for a multiyear research project 
C)  the annual dose that a pilot is expose to 
D)  the dose that is received by handling a highly radioactive source 
E)  the annual dose that we all receive as a result of background radiation 
A)  the dose that an x-ray technician receives over the course of her career 
B)  the dose that a scientist receives while working with radioactive materials for a multiyear research project 
C)  the annual dose that a pilot is expose to 
D)  the dose that is received by handling a highly radioactive source 
E)  the annual dose that we all receive as a result of background radiation

Question 16

_____ 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 17

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 18

In which of the following nuclear reactions is only gamma radiation released?

Accepted Answer

A)   
B)   
C)   
D)   
E) All of these reactions probably release gamma radiation 
A)   
B)   
C)   
D)   
E) All of these reactions probably release gamma radiation

Question 19

How many electrons are in the valence shell of the ion represented by the energy diagram shown below?

Accepted Answer

A)  8 
B)  10 
C)  12 
D)  22 
E)  0 
A)  8 
B)  10 
C)  12 
D)  22 
E)  0

Question 20

Micro- and macronutrients are

Accepted Answer

A)  equally distributed throughout the body. 
B)  all metals and metalloids. 
C)  obtained through the diet. 
D)  only found in the first three periods of the periodic table. 
E)  all required in quantities of more than 100 mg per day. 
A)  equally distributed throughout the body. 
B)  all metals and metalloids. 
C)  obtained through the diet. 
D)  only found in the first three periods of the periodic table. 
E)  all required in quantities of more than 100 mg per day.

Which of the following indicates that an alpha particle has been released during radioactive decay of an atom?

Which atom is in its ground state?

Which of the following elements has a mass number of 35 and an atomic number of 17?

Which of the following statements about isotopes is false?

Nonmetals typically and metals typically .

How is a beta particle different from an electron?

The number of protons is equal to the _____ in a neutral atom.

Which of the following is NOT a symptom of iron deficiency?

The most common nutritional deficiency in the world is_____.

According to the current model of the atom, the part of the diagram labeled A is made up of

Which of the following is NOT a building block element?

Radioactive isotopes are

Oxygen is a _ and therefore _ when it forms an ion.

Which of the following groups of elements forms anions?

Which of the following choices describes an acute dose of radiation?

_____ have a negative charge.

What is the atomic number of element X?

In which of the following nuclear reactions is only gamma radiation released?

How many electrons are in the valence shell of the ion represented by the energy diagram shown below?

Micro- and macronutrients are

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

Exam 2: Atomic Structure and Nuclear Radiation

Which of the following indicates that an alpha particle has been released during radioactive decay of an atom?

Which atom is in its ground state?

Which of the following elements has a mass number of 35 and an atomic number of 17?

Which of the following statements about isotopes is false?

Nonmetals typically ______ and metals typically ______.

How is a beta particle different from an electron?

The number of protons is equal to the _____ in a neutral atom.

Which of the following is NOT a symptom of iron deficiency?

The most common nutritional deficiency in the world is_____.

According to the current model of the atom, the part of the diagram labeled A is made up of

Which of the following is NOT a building block element?

Radioactive isotopes are

Oxygen is a _______ and therefore _______ when it forms an ion.

Which of the following groups of elements forms anions?

Which of the following choices describes an acute dose of radiation?

_____ have a negative charge.

What is the atomic number of element X?

In which of the following nuclear reactions is only gamma radiation released?

How many electrons are in the valence shell of the ion represented by the energy diagram shown below?

Micro- and macronutrients are

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

Nonmetals typically and metals typically .

Oxygen is a _ and therefore _ when it forms an ion.