Question 1

Rank the following sub-shells in order of energy, with 1 being the lowest-energy, and 4 being the highest-energy

Accepted Answer

a. 2s = 2
b. 3p = 4
c. 2p = 3
d. 1s = 1

Question 2

Noting that chlorine has an atomic number of 17, which of the following statements are false? Select any that apply.

Accepted Answer

A)  An atom of chlorine has 17 electrons. 
B)  Chlorine's valence shell is shell 2. 
C)  The electronic configuration for chlorine is 1s2 2s2 2p6 3s2 3p5 
D)  Chlorine must gain 1 electron to achieve a full valence shell. 
E)  The chloride ion carries a charge of +1 
A)  An atom of chlorine has 17 electrons. 
B)  Chlorine's valence shell is shell 2. 
C)  The electronic configuration for chlorine is 1s2 2s2 2p6 3s2 3p5 
D)  Chlorine must gain 1 electron to achieve a full valence shell. 
E)  The chloride ion carries a charge of +1 B,E

Question 3

An oxygen ion carries what electrical charge?

Accepted Answer

A)  -1 
B)  +1 
C)  +2 
D)  No charge 
E)  -2 
A)  -1 
B)  +1 
C)  +2 
D)  No charge 
E)  -2 E

Question 4

An atom's nucleus contains which of the following particles? Select all that apply.

Accepted Answer

A)  Ions 
B)  Protons 
C)  Electrons 
D)  Neutrons 
A)  Ions 
B)  Protons 
C)  Electrons 
D)  Neutrons

Question 5

Shell 2 can hold a maximum of how many electrons?

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
E)  10 
A)  2 
B)  4 
C)  6 
D)  8 
E)  10

Question 6

Which of the following statements is correct?

Accepted Answer

A)  The three isotopes of carbon contain the same number of protons and neutrons, but different numbers of electrons. 
B)  The three isotopes of carbon contain the same number of protons and electrons, but different numbers of neutrons. 
C)  The three isotopes of carbon contain the same number of electrons and neutrons, but different numbers of protons. 
D)  The three isotopes of carbon contain the same number of protons, neutrons, and electrons. 
E)  The three isotopes of carbon contain the same number of protons, but different numbers of electrons and neutrons. 
A)  The three isotopes of carbon contain the same number of protons and neutrons, but different numbers of electrons. 
B)  The three isotopes of carbon contain the same number of protons and electrons, but different numbers of neutrons. 
C)  The three isotopes of carbon contain the same number of electrons and neutrons, but different numbers of protons. 
D)  The three isotopes of carbon contain the same number of protons, neutrons, and electrons. 
E)  The three isotopes of carbon contain the same number of protons, but different numbers of electrons and neutrons.

Question 7

Match the following particles to the electrical charges they carry.
-Neutron

Accepted Answer

A)  Positive 
B)  Negative 
C)  Neutral 
A)  Positive 
B)  Negative 
C)  Neutral

Question 8

Match the following particles to the electrical charges they carry.
-Proton

Accepted Answer

A)  Positive 
B)  Negative 
C)  Neutral 
A)  Positive 
B)  Negative 
C)  Neutral

Question 9

Rank the following elements according to how readily they will form anions, with 1 = least readily, and 4 = most readily.

Accepted Answer

a. Iron = 3
b. Zinc

Question 10

Which of the following is not an element? Select all that apply.

Accepted Answer

A)  Oxygen 
B)  Water 
C)  Nitrogen 
D)  Carbon dioxide 
A)  Oxygen 
B)  Water 
C)  Nitrogen 
D)  Carbon dioxide

Question 11

An element's mass number tells us which of the following?

Accepted Answer

A)  The number of protons in an atom of that element. 
B)  The number of protons + electrons in an atom of that element. 
C)  The number of electrons in an atom of that element. 
D)  The number of protons + neutrons in an atom of that element. 
E)  The number of neutrons in an atom of that element. 
A)  The number of protons in an atom of that element. 
B)  The number of protons + electrons in an atom of that element. 
C)  The number of electrons in an atom of that element. 
D)  The number of protons + neutrons in an atom of that element. 
E)  The number of neutrons in an atom of that element.

Question 12

Match the following particles to the electrical charges they carry.
-Electron

Accepted Answer

A)  Positive 
B)  Negative 
C)  Neutral 
A)  Positive 
B)  Negative 
C)  Neutral

Question 13

The 3d sub-shell comprises how many orbitals?

Accepted Answer

A)  One 
B)  Two 
C)  Three 
D)  Four 
E)  Five 
A)  One 
B)  Two 
C)  Three 
D)  Four 
E)  Five

Question 14

Nitrogen has an atomic number of 7. Which of the following correctly depicts the electronic configuration of an atom of nitrogen?

Accepted Answer

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

Question 15

An atom of fluorine has an atomic number of 9 and a mass number of 19. Which of the following statements is correct?

Accepted Answer

A)  An atom of fluorine has 9 protons, 9 electrons, and 10 neutrons. 
B)  An atom of fluorine has 9 protons, 9 electrons, and 9 neutrons. 
C)  An atom of fluorine has 9 protons, 10 electrons, and 9 neutrons. 
D)  An atom of fluorine has 10 protons, 9 electrons, and 9 neutrons. 
E)  An atom of fluorine has 9 protons, 9 electrons, and 19 neutrons. 
A)  An atom of fluorine has 9 protons, 9 electrons, and 10 neutrons. 
B)  An atom of fluorine has 9 protons, 9 electrons, and 9 neutrons. 
C)  An atom of fluorine has 9 protons, 10 electrons, and 9 neutrons. 
D)  An atom of fluorine has 10 protons, 9 electrons, and 9 neutrons. 
E)  An atom of fluorine has 9 protons, 9 electrons, and 19 neutrons.

Rank the following sub-shells in order of energy, with 1 being the lowest-energy, and 4 being the highest-energy

Noting that chlorine has an atomic number of 17, which of the following statements are false? Select any that apply.

An oxygen ion carries what electrical charge?

An atom's nucleus contains which of the following particles? Select all that apply.

Shell 2 can hold a maximum of how many electrons?

Which of the following statements is correct?

Match the following particles to the electrical charges they carry. -Neutron

Match the following particles to the electrical charges they carry. -Proton

Rank the following elements according to how readily they will form anions, with 1 = least readily, and 4 = most readily.

Which of the following is not an element? Select all that apply.

An element's mass number tells us which of the following?

Match the following particles to the electrical charges they carry. -Electron

The 3d sub-shell comprises how many orbitals?

Nitrogen has an atomic number of 7. Which of the following correctly depicts the electronic configuration of an atom of nitrogen?

An atom of fluorine has an atomic number of 9 and a mass number of 19. Which of the following statements is correct?

Chemical Analysis: Characterizing Chemical Compounds

Acids, Bases, and Buffer Solutions: Life in an Aqueous Environment

Kinetics: What Affects the Speed of a Reaction

Equilibria: How Far Do Reactions Go

Energy: What Makes Reactions Go

Reaction Mechanisms: The Chemical Changes That Drive the Chemistry of Life

Chemical Reactions, Oxidation, and Reduction: Bringing Molecules to Life

Metals in Biology: Life Beyond Carbon

Biological Macromolecules: The Infrastructure of Life

Isomerism: Generating Chemical Variety

Molecular Shape and Structure: Life in Three Dimensions

Functional Groups: Adding Function to the Framework of Life

Hydrocarbons: The Framework of Life

Moles, Concentrations, and Dilutions: Making Sense of Chemical Numbers

Molecular Interactions: Holding It All Together

Compounds and Chemical Bonding: Bringing Atoms Together

Introduction: Why Biologists Need Chemistry

Filters

Exam 2: Atoms: The Foundations of Life

Rank the following sub-shells in order of energy, with 1 being the lowest-energy, and 4 being the highest-energy

Noting that chlorine has an atomic number of 17, which of the following statements are false? Select any that apply.

An oxygen ion carries what electrical charge?

An atom's nucleus contains which of the following particles? Select all that apply.

Shell 2 can hold a maximum of how many electrons?

Which of the following statements is correct?

Match the following particles to the electrical charges they carry. -Neutron

Match the following particles to the electrical charges they carry. -Proton

Rank the following elements according to how readily they will form anions, with 1 = least readily, and 4 = most readily.

Which of the following is not an element? Select all that apply.

An element's mass number tells us which of the following?

Match the following particles to the electrical charges they carry. -Electron

The 3d sub-shell comprises how many orbitals?

Nitrogen has an atomic number of 7. Which of the following correctly depicts the electronic configuration of an atom of nitrogen?

An atom of fluorine has an atomic number of 9 and a mass number of 19. Which of the following statements is correct?

Chemical Analysis: Characterizing Chemical Compounds

Acids, Bases, and Buffer Solutions: Life in an Aqueous Environment

Kinetics: What Affects the Speed of a Reaction

Equilibria: How Far Do Reactions Go

Energy: What Makes Reactions Go

Reaction Mechanisms: The Chemical Changes That Drive the Chemistry of Life

Chemical Reactions, Oxidation, and Reduction: Bringing Molecules to Life

Metals in Biology: Life Beyond Carbon

Biological Macromolecules: The Infrastructure of Life

Isomerism: Generating Chemical Variety

Molecular Shape and Structure: Life in Three Dimensions

Functional Groups: Adding Function to the Framework of Life

Hydrocarbons: The Framework of Life

Moles, Concentrations, and Dilutions: Making Sense of Chemical Numbers

Molecular Interactions: Holding It All Together

Compounds and Chemical Bonding: Bringing Atoms Together

Introduction: Why Biologists Need Chemistry

Filters