Question 1

Which of the following is the formula for an ionic compound called iron(II)oxide?

Accepted Answer

A)  FeO2 
B)  Fe2O 
C)  FeO 
D)  OFe2 
E)  O2Fe 
A)  FeO2 
B)  Fe2O 
C)  FeO 
D)  OFe2 
E)  O2Fe C

Question 2

Which statement BEST describes the behavior of period 2 elements in a covalent molecule?

Accepted Answer

A)  Period 2 elements lose electrons. 
B)  Period 2 elements gain electrons. 
C)  The nonmetals in period 2 form bonds so that they have a valence shell with eight electrons. 
D)  The nonmetals in period 2 form bonds so that they have a valence shell with two electrons. 
E)  Period 2 elements are not alike in any way. 
A)  Period 2 elements lose electrons. 
B)  Period 2 elements gain electrons. 
C)  The nonmetals in period 2 form bonds so that they have a valence shell with eight electrons. 
D)  The nonmetals in period 2 form bonds so that they have a valence shell with two electrons. 
E)  Period 2 elements are not alike in any way. C

Question 3

How many multiple bonds are in the chloroethylene molecule (C2H3Cl)?

Accepted Answer

A)  zero multiple bonds 
B)  1 double bond 
C)  1 triple bond 
D)  2 double bonds 
E)  1 double and 1 triple bond 
A)  zero multiple bonds 
B)  1 double bond 
C)  1 triple bond 
D)  2 double bonds 
E)  1 double and 1 triple bond B

Question 4

Below are four compounds.Choose the statement below that BEST describes these four. ​
CH2O Ti2O3 MgO H2O
I II III IV
​

Accepted Answer

A)  All of these are ionic compounds. 
B)  I and II are covalent molecules, whereas III and IV are ionic. 
C)  II and III are ionic, whereas I and IV are covalent. 
D)  I, III, and IV are covalent, whereas II is ionic. 
E)  All of these are covalent molecules. 
A)  All of these are ionic compounds. 
B)  I and II are covalent molecules, whereas III and IV are ionic. 
C)  II and III are ionic, whereas I and IV are covalent. 
D)  I, III, and IV are covalent, whereas II is ionic. 
E)  All of these are covalent molecules.

Question 5

A high level of ______ after 12 hours of fasting indicates diabetes.

Accepted Answer

A)  glucose 
B)  urea 
C)  potassium 
D)  amino acids 
E)  electrolytes 
A)  glucose 
B)  urea 
C)  potassium 
D)  amino acids 
E)  electrolytes

Question 6

Which element forms a cation?

Accepted Answer

A)  carbon 
B)  phosphorus 
C)  krypton 
D)  nickel 
E)  iodine 
A)  carbon 
B)  phosphorus 
C)  krypton 
D)  nickel 
E)  iodine

Question 7

What is the total number of valence electrons in the chloroethylene molecule (C2H3Cl)?

Accepted Answer

A)  6 
B)  18 
C)  21 
D)  32 
E)  62 
A)  6 
B)  18 
C)  21 
D)  32 
E)  62

Question 8

Which of these structures has two nonbonding pairs of electrons?

Accepted Answer

A)  I and II 
B)  II only 
C)  III only 
D)  IV only 
E)  III and IV 
A)  I and II 
B)  II only 
C)  III only 
D)  IV only 
E)  III and IV

Question 9

The arrow is pointing to a(n)

Accepted Answer

A)  triple bond. 
B)  double bond. 
C)  single bond. 
D)  electron. 
E)  valence shell. 
A)  triple bond. 
B)  double bond. 
C)  single bond. 
D)  electron. 
E)  valence shell.

Question 10

In the methane molecule (complete the sentence)

Accepted Answer

A)  carbon is sharing its four electrons with the hydrogens. 
B)  carbon has donated four electrons to hydrogen, leaving it with a charge of +4. 
C)  hydrogen has eight electrons in its valence shell. 
D)  carbon is very unstable. 
E)  carbon does not have an octet of electrons. 
A)  carbon is sharing its four electrons with the hydrogens. 
B)  carbon has donated four electrons to hydrogen, leaving it with a charge of +4. 
C)  hydrogen has eight electrons in its valence shell. 
D)  carbon is very unstable. 
E)  carbon does not have an octet of electrons.

Question 11

When a metal atom transfers one or more valence electrons to a nonmetal atom, what are formed?

Accepted Answer

A)  covalent bonds 
B)  monatomic ions 
C)  two cations 
D)  semimetals 
E)  two anions 
A)  covalent bonds 
B)  monatomic ions 
C)  two cations 
D)  semimetals 
E)  two anions

Question 12

Below is an illustration of an atom of fluorine.Which arrow points to the part of the atom involved in bonding?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  Both B and C point to the correct part of the atom. 
E)  None of the above is involved in bonding. 
A)  A 
B)  B 
C)  C 
D)  Both B and C point to the correct part of the atom. 
E)  None of the above is involved in bonding.

Question 13

A polyatomic ion

Accepted Answer

A)  has many atoms, one of which has gained or lost electrons. 
B)  is a molecule that has gained or lost electrons. 
C)  has many atoms, one of which has gained or lost protons. 
D)  is a molecule that has gained or lost protons. 
E)  has many charges. 
A)  has many atoms, one of which has gained or lost electrons. 
B)  is a molecule that has gained or lost electrons. 
C)  has many atoms, one of which has gained or lost protons. 
D)  is a molecule that has gained or lost protons. 
E)  has many charges.

Question 14

In a covalent molecule

Accepted Answer

A)  nonmetals share electrons. 
B)  nonmetals donate electrons to metals. 
C)  metals donate electrons to nonmetals. 
D)  metals share electrons. 
E)  cations and anions are attracted to one another. 
A)  nonmetals share electrons. 
B)  nonmetals donate electrons to metals. 
C)  metals donate electrons to nonmetals. 
D)  metals share electrons. 
E)  cations and anions are attracted to one another.

Question 15

What is the most likely arrangement of the atoms in chloroethylene (C2H3Cl)?

Accepted Answer

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

Question 16

In general, how do elements in group 6A behave when they are a part of a covalent bond?

Accepted Answer

A)  These elements form two bonds to other nonmetals. 
B)  These elements form one bond to another nonmetal. 
C)  These elements donate two electrons to a metal. 
D)  These elements accept two electrons from a metal. 
E)  These elements do not interact with other elements. 
A)  These elements form two bonds to other nonmetals. 
B)  These elements form one bond to another nonmetal. 
C)  These elements donate two electrons to a metal. 
D)  These elements accept two electrons from a metal. 
E)  These elements do not interact with other elements.

Question 17

An intravenous therapy called Ringer's solutions contains calcium and chloride ions along with other components.What is the charge on calcium in the ionic compound that forms from calcium and chloride ions?

Accepted Answer

A)  +1 
B)  -1 
C)  +2 
D)  -2 
E)  +3 
A)  +1 
B)  -1 
C)  +2 
D)  -2 
E)  +3

Question 18

An ion of fluorine has ten electrons total.What is the charge of the fluorine ion?

Accepted Answer

A)  +2 
B)  +1 
C)  It is neutral. 
D)  -1 
E)  -2 
A)  +2 
B)  +1 
C)  It is neutral. 
D)  -1 
E)  -2

Question 19

What is the charge on iron in the ionic compound FeCl3?

Accepted Answer

A)  +3 
B)  +1 
C)  0 
D)  -1 
E)  -3 
A)  +3 
B)  +1 
C)  0 
D)  -1 
E)  -3

Question 20

Calcium carbonate has the formula CaCO3.What is the charge on the polyatomic carbonate ion?

Accepted Answer

A)  +2 
B)  +1 
C)  0 
D)  -1 
E)  -2 
A)  +2 
B)  +1 
C)  0 
D)  -1 
E)  -2

Which of the following is the formula for an ionic compound called iron(II)oxide?

Which statement BEST describes the behavior of period 2 elements in a covalent molecule?

How many multiple bonds are in the chloroethylene molecule (C₂H₃Cl)?

Below are four compounds.Choose the statement below that BEST describes these four. CH₂O Ti₂O₃MgO H₂O I II III IV

A high level of ______ after 12 hours of fasting indicates diabetes.

Which element forms a cation?

What is the total number of valence electrons in the chloroethylene molecule (C₂H₃Cl)?

Which of these structures has two nonbonding pairs of electrons?

The arrow is pointing to a(n)

In the methane molecule (complete the sentence)

When a metal atom transfers one or more valence electrons to a nonmetal atom, what are formed?

Below is an illustration of an atom of fluorine.Which arrow points to the part of the atom involved in bonding?

A polyatomic ion

In a covalent molecule

What is the most likely arrangement of the atoms in chloroethylene (C₂H₃Cl)?

In general, how do elements in group 6A behave when they are a part of a covalent bond?

An intravenous therapy called Ringer's solutions contains calcium and chloride ions along with other components.What is the charge on calcium in the ionic compound that forms from calcium and chloride ions?

An ion of fluorine has ten electrons total.What is the charge of the fluorine ion?

What is the charge on iron in the ionic compound FeCl₃?

Calcium carbonate has the formula CaCO₃.What is the charge on the polyatomic carbonate ion?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

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 3: Ionic and Covalent Compounds

Which of the following is the formula for an ionic compound called iron(II)oxide?

Which statement BEST describes the behavior of period 2 elements in a covalent molecule?

How many multiple bonds are in the chloroethylene molecule (C2H3Cl)?

Below are four compounds.Choose the statement below that BEST describes these four. ​ CH2O Ti2O3 MgO H2O I II III IV ​

A high level of ______ after 12 hours of fasting indicates diabetes.

Which element forms a cation?

What is the total number of valence electrons in the chloroethylene molecule (C2H3Cl)?

Which of these structures has two nonbonding pairs of electrons?

The arrow is pointing to a(n)

In the methane molecule (complete the sentence)

When a metal atom transfers one or more valence electrons to a nonmetal atom, what are formed?

Below is an illustration of an atom of fluorine.Which arrow points to the part of the atom involved in bonding?

A polyatomic ion

In a covalent molecule

What is the most likely arrangement of the atoms in chloroethylene (C2H3Cl)?

In general, how do elements in group 6A behave when they are a part of a covalent bond?

An intravenous therapy called Ringer's solutions contains calcium and chloride ions along with other components.What is the charge on calcium in the ionic compound that forms from calcium and chloride ions?

An ion of fluorine has ten electrons total.What is the charge of the fluorine ion?

What is the charge on iron in the ionic compound FeCl3?

Calcium carbonate has the formula CaCO3.What is the charge on the polyatomic carbonate ion?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

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

How many multiple bonds are in the chloroethylene molecule (C₂H₃Cl)?

Below are four compounds.Choose the statement below that BEST describes these four. CH₂O Ti₂O₃MgO H₂O I II III IV

What is the total number of valence electrons in the chloroethylene molecule (C₂H₃Cl)?

What is the most likely arrangement of the atoms in chloroethylene (C₂H₃Cl)?

What is the charge on iron in the ionic compound FeCl₃?

Calcium carbonate has the formula CaCO₃.What is the charge on the polyatomic carbonate ion?