Question 1

The following ionic formula is not valid.Which statement BEST describes what's wrong with this formula? AlCl2

Accepted Answer

A)  It does not include both a nonmetal and a metal. 
B)  The ratio of cations to anions is not 1:1. 
C)  The anion is written first, followed by the cation. 
D)  This compound does not exist in nature. 
E)  The charges do not add up to zero. 
A)  It does not include both a nonmetal and a metal. 
B)  The ratio of cations to anions is not 1:1. 
C)  The anion is written first, followed by the cation. 
D)  This compound does not exist in nature. 
E)  The charges do not add up to zero.

Question 2

Which of the following items is NOT composed of an ionic compound?

Accepted Answer

A)  caffeine 
B)  some sunscreens 
C)  calamine lotion 
D)  most toothpaste 
E)  table salt 
A)  caffeine 
B)  some sunscreens 
C)  calamine lotion 
D)  most toothpaste 
E)  table salt

Question 3

An electrolyte is a substance that

Accepted Answer

A)  dissolves in water. 
B)  does not dissolve in water. 
C)  hydrogen bonds with water. 
D)  produces ions when dissolved in water. 
E)  is an excellent resistor. 
A)  dissolves in water. 
B)  does not dissolve in water. 
C)  hydrogen bonds with water. 
D)  produces ions when dissolved in water. 
E)  is an excellent resistor.

Question 4

Which of the molecules below contain an atom with an expanded octet?

Accepted Answer

A)  I and II 
B)  III only 
C)  IV only 
D)  I, II, and III 
E)  All of these molecules have an expanded octet. 
A)  I and II 
B)  III only 
C)  IV only 
D)  I, II, and III 
E)  All of these molecules have an expanded octet.

Question 5

Magnesium chloride is sometimes administered orally to suppress premature labor.Which of the following is a valid ionic formula for magnesium chloride?

Accepted Answer

A)  Mg2Cl2 
B)  Mg2Cl 
C)  MgCl 
D)  MgCl2 
E)  None of the above choices are magnesium chloride. 
A)  Mg2Cl2 
B)  Mg2Cl 
C)  MgCl 
D)  MgCl2 
E)  None of the above choices are magnesium chloride.

Question 6

Which of the following is NOT a covalent compound?

Accepted Answer

A)  HF 
B)  H2O 
C)  CO 
D)  Li2O 
E)  CS2 
A)  HF 
B)  H2O 
C)  CO 
D)  Li2O 
E)  CS2

Question 7

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

Accepted Answer

A)  Fe3O2 
B)  Fe2O3 
C)  FeO 
D)  Fe3O 
E)  FeO3 
A)  Fe3O2 
B)  Fe2O3 
C)  FeO 
D)  Fe3O 
E)  FeO3

Question 8

How many valence electrons does chlorine have?

Accepted Answer

A)  5 
B)  7 
C)  1 
D)  5. 
E)  6 
A)  5 
B)  7 
C)  1 
D)  5. 
E)  6

Question 9

A magnesium ion has the same electron configuration as _______.

Accepted Answer

A)  No other atom or element has the same configuration. 
B)  sodium 
C)  neon 
D)  fluorine 
E)  aluminum 
A)  No other atom or element has the same configuration. 
B)  sodium 
C)  neon 
D)  fluorine 
E)  aluminum

Question 10

Which group 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 11

What is the BEST name for the compound SF6, a potent greenhouse gas?

Accepted Answer

A)  sulfur fluorine 
B)  sulfur fluoride 
C)  sulfur hexafluoride 
D)  sulfur pentafluoride 
E)  monosulfur fluoride 
A)  sulfur fluorine 
B)  sulfur fluoride 
C)  sulfur hexafluoride 
D)  sulfur pentafluoride 
E)  monosulfur fluoride

Question 12

Lewis electron dot structures represent the

Accepted Answer

A)  number of total electrons in a molecule. 
B)  total number of electrons in the atom. 
C)  number of protons in the atom. 
D)  number of valence electrons. 
E)  number of nonbonding electrons. 
A)  number of total electrons in a molecule. 
B)  total number of electrons in the atom. 
C)  number of protons in the atom. 
D)  number of valence electrons. 
E)  number of nonbonding electrons.

Question 13

Iron(II)is an example of a(n)________.

Accepted Answer

A)  cation 
B)  anion 
C)  ionic bond 
D)  covalent bond 
E)  salt 
A)  cation 
B)  anion 
C)  ionic bond 
D)  covalent bond 
E)  salt

Question 14

What is the ratio of ions in Li2O?

Accepted Answer

A)  1 Li : 1 O 
B)  2 Li : 1 O 
C)  2 O : 1 Li 
D)  4 O : 5 Li 
E)  4 Li : 5 O 
A)  1 Li : 1 O 
B)  2 Li : 1 O 
C)  2 O : 1 Li 
D)  4 O : 5 Li 
E)  4 Li : 5 O

Question 15

What is the name of CaCO3, a common calcium supplement and antacid?

Accepted Answer

A)  calcium carbon trioxide 
B)  calcium bicarbonate 
C)  calcium carbonate 
D)  calcium cyanide 
E)  calcium chlorite 
A)  calcium carbon trioxide 
B)  calcium bicarbonate 
C)  calcium carbonate 
D)  calcium cyanide 
E)  calcium chlorite

Question 16

Which of the following is NOT composed of polyatomic ions?

Accepted Answer

A)  table salt 
B)  bleach 
C)  some preservatives 
D)  tooth enamel 
E)  some bactericides 
A)  table salt 
B)  bleach 
C)  some preservatives 
D)  tooth enamel 
E)  some bactericides

Question 17

Which of the following is NOT a covalent compound?

Accepted Answer

A)  DNA 
B)  RNA 
C)  proteins 
D)  carbohydrates 
E)  sodium phosphate 
A)  DNA 
B)  RNA 
C)  proteins 
D)  carbohydrates 
E)  sodium phosphate

Question 18

Electrons shared between two atoms is a(n)_______.

Accepted Answer

A)  cation 
B)  anion 
C)  ionic bond 
D)  covalent bond 
E)  salt 
A)  cation 
B)  anion 
C)  ionic bond 
D)  covalent bond 
E)  salt

Question 19

How many nonbonding electrons are in the chloroethylene molecule (C2H3Cl)?

Accepted Answer

A)  zero 
B)  6 
C)  8 
D)  10 
E)  18 
A)  zero 
B)  6 
C)  8 
D)  10 
E)  18

Question 20

Elements in group 1A of the periodic table are likely to form ions with the charge

Accepted Answer

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

The following ionic formula is not valid.Which statement BEST describes what's wrong with this formula? AlCl₂

Which of the following items is NOT composed of an ionic compound?

An electrolyte is a substance that

Which of the molecules below contain an atom with an expanded octet?

Magnesium chloride is sometimes administered orally to suppress premature labor.Which of the following is a valid ionic formula for magnesium chloride?

Which of the following is NOT a covalent compound?

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

How many valence electrons does chlorine have?

A magnesium ion has the same electron configuration as _______.

Which group of elements forms anions?

What is the BEST name for the compound SF₆, a potent greenhouse gas?

Lewis electron dot structures represent the

Iron(II)is an example of a(n)________.

What is the ratio of ions in Li₂O?

What is the name of CaCO₃, a common calcium supplement and antacid?

Which of the following is NOT composed of polyatomic ions?

Which of the following is NOT a covalent compound?

Electrons shared between two atoms is a(n)_______.

How many nonbonding electrons are in the chloroethylene molecule (C₂H₃Cl)?

Elements in group 1A of the periodic table are likely to form ions with the charge

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

The following ionic formula is not valid.Which statement BEST describes what's wrong with this formula? AlCl2

Which of the following items is NOT composed of an ionic compound?

An electrolyte is a substance that

Which of the molecules below contain an atom with an expanded octet?

Magnesium chloride is sometimes administered orally to suppress premature labor.Which of the following is a valid ionic formula for magnesium chloride?

Which of the following is NOT a covalent compound?

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

How many valence electrons does chlorine have?

A magnesium ion has the same electron configuration as _______.

Which group of elements forms anions?

What is the BEST name for the compound SF6, a potent greenhouse gas?

Lewis electron dot structures represent the

Iron(II)is an example of a(n)________.

What is the ratio of ions in Li2O?

What is the name of CaCO3, a common calcium supplement and antacid?

Which of the following is NOT composed of polyatomic ions?

Which of the following is NOT a covalent compound?

Electrons shared between two atoms is a(n)_______.

How many nonbonding electrons are in the chloroethylene molecule (C2H3Cl)?

Elements in group 1A of the periodic table are likely to form ions with the charge

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

The following ionic formula is not valid.Which statement BEST describes what's wrong with this formula? AlCl₂

What is the BEST name for the compound SF₆, a potent greenhouse gas?

What is the ratio of ions in Li₂O?

What is the name of CaCO₃, a common calcium supplement and antacid?

How many nonbonding electrons are in the chloroethylene molecule (C₂H₃Cl)?