Question 1

What is the correct formula of diphosphorus pentoxide?

Accepted Answer

A) P5O2 
B) PO2 
C) P2O4 
D) P2O5 
E) P5O 
A) P5O2 
B) PO2 
C) P2O4 
D) P2O5 
E) P5O

Question 2

What is the name of the ionic compound with the formula Na3PO4?

Accepted Answer

A) silver phosphite 
B) sodium phosphorus oxide 
C) trisilver tetraphosphate 
D) trisodium tetraphosphate 
E) sodium phosphate 
A) silver phosphite 
B) sodium phosphorus oxide 
C) trisilver tetraphosphate 
D) trisodium tetraphosphate 
E) sodium phosphate

Question 3

Considering the electronegativity values indicated in the table, which covalent bond is the most polar?

Accepted Answer

A) C−H 
B) N−O 
C) Cl−F 
D) H−F 
E) F−F 
A) C−H 
B) N−O 
C) Cl−F 
D) H−F 
E) F−F

Question 4

Which statement is TRUE concerning the solubility of a substance in H2O?

Accepted Answer

A) Polar and nonpolar substances are equally soluble in water. 
B) A nonpolar substance is soluble in water. 
C) All substances are soluble in water. 
D) Solubility of a substance in water has no relationship to the polarity of the substance being dissolved. 
E) A polar substance is soluble in water. 
A) Polar and nonpolar substances are equally soluble in water. 
B) A nonpolar substance is soluble in water. 
C) All substances are soluble in water. 
D) Solubility of a substance in water has no relationship to the polarity of the substance being dissolved. 
E) A polar substance is soluble in water.

Question 5

What is the Stock name of Cu+?

Accepted Answer

A) cupric ion 
B) cuprous ion 
C) copper(I) ion 
D) copper(II) ion 
E) cuprate ion 
A) cupric ion 
B) cuprous ion 
C) copper(I) ion 
D) copper(II) ion 
E) cuprate ion

Question 6

The ionic compound magnesium hydroxide can be found in antacid tablets.What is the formula of magnesium hydroxide?

Accepted Answer

A) Mg2OH 
B) MgOH2 
C) MgO2H2 
D) Mg(OH)2 
E) MgOH 
A) Mg2OH 
B) MgOH2 
C) MgO2H2 
D) Mg(OH)2 
E) MgOH

Question 7

In the compound shown below, how can the bond between carbon and chlorine be described?

Accepted Answer

A) intermolecular 
B) ionic 
C) nonpolar covalent 
D) polar covalent 
E) nonpolar ionic 
A) intermolecular 
B) ionic 
C) nonpolar covalent 
D) polar covalent 
E) nonpolar ionic

Question 8

What term describes the temperature at which a solid is converted into a liquid?

Accepted Answer

A) critical point 
B) flash point 
C) sublimation point 
D) melting point 
E) boiling point 
A) critical point 
B) flash point 
C) sublimation point 
D) melting point 
E) boiling point

Question 9

Baking soda consists of the ionic compound sodium bicarbonate.What is the formula of this compound?

Accepted Answer

A) Na(CO3)2 
B) Na2CO3 
C) NaBiCO3 
D) NaHCO3 
E) Na2HCO3 
A) Na(CO3)2 
B) Na2CO3 
C) NaBiCO3 
D) NaHCO3 
E) Na2HCO3

Question 10

Which one of the following is NOT true about elements that form cations?

Accepted Answer

A) The atoms lose electrons in forming ions. 
B) The elements are metals. 
C) They are located to the left of the periodic table. 
D) They have low ionization energies. 
E) They have high electron affinities. 
A) The atoms lose electrons in forming ions. 
B) The elements are metals. 
C) They are located to the left of the periodic table. 
D) They have low ionization energies. 
E) They have high electron affinities.

Question 11

What is the three-dimensional arrangement of positive and negative ions in an ionic solid called?

Accepted Answer

A) dipole 
B) polyatomic structure 
C) crystal lattice 
D) cubic ionic structure 
E) intermolecular ionic forces 
A) dipole 
B) polyatomic structure 
C) crystal lattice 
D) cubic ionic structure 
E) intermolecular ionic forces

Question 12

The existence of resonance makes a molecule less stable than would otherwise be the case.

Accepted Answer

A) True 
 B)False

Question 13

Assuming reactions between the following pairs of elements, which pair is most likely to form a covalent compound?

Accepted Answer

A) lithium and iodine 
B) sodium and oxygen 
C) calcium and chlorine 
D) copper and tin 
E) carbon and oxygen 
A) lithium and iodine 
B) sodium and oxygen 
C) calcium and chlorine 
D) copper and tin 
E) carbon and oxygen

Question 14

Which of the following compounds contains a polyatomic ion?

Accepted Answer

A) NaOH 
B) HCl 
C) Ca3N2 
D) MgBr2 
E) NH3 
A) NaOH 
B) HCl 
C) Ca3N2 
D) MgBr2 
E) NH3

Question 15

What is the formula of the ionic compound formed when ions of calcium and nitrogen combine?

Accepted Answer

A) CaN 
B) CaN2 
C) Ca2N 
D) Ca3N2 
E) Ca2N3 
A) CaN 
B) CaN2 
C) Ca2N 
D) Ca3N2 
E) Ca2N3

Question 16

Molecular compounds usually involve ionic bonding.

Accepted Answer

A) True 
 B)False

Question 17

What term describes a solution of a compound in water that does not conduct an electric current?

Accepted Answer

A) amorphous solution 
B) an electrolyte solution 
C) a nonelectrolyte solution 
D) superconducting solution 
E) isoelectric solution 
A) amorphous solution 
B) an electrolyte solution 
C) a nonelectrolyte solution 
D) superconducting solution 
E) isoelectric solution

Question 18

A certain compound has a very high melting point, and when it dissolves in water the solution conducts electricity.Which one of the following compounds would have these properties?

Accepted Answer

A) O2 
B) Cr 
C) CCl4 
D) Na2SO4 
E) He 
A) O2 
B) Cr 
C) CCl4 
D) Na2SO4 
E) He

Question 19

Resonance occurs when two or more different, valid Lewis structures can be drawn for a molecule.

Accepted Answer

A) True 
 B)False

Question 20

How many dots are present in the Lewis symbol for the fluorine atom?

Accepted Answer

A) 5 
B) 6 
C) 7 
D) 8 
E) 10 
A) 5 
B) 6 
C) 7 
D) 8 
E) 10

Exam 3: Structure and Properties of Ionic and Covalent Compounds

What is the correct formula of diphosphorus pentoxide?

What is the name of the ionic compound with the formula Na3PO4?

Considering the electronegativity values indicated in the table, which covalent bond is the most polar?

Which statement is TRUE concerning the solubility of a substance in H2O?

What is the Stock name of Cu+?

The ionic compound magnesium hydroxide can be found in antacid tablets.What is the formula of magnesium hydroxide?

In the compound shown below, how can the bond between carbon and chlorine be described?

What term describes the temperature at which a solid is converted into a liquid?

Baking soda consists of the ionic compound sodium bicarbonate.What is the formula of this compound?

Which one of the following is NOT true about elements that form cations?

What is the three-dimensional arrangement of positive and negative ions in an ionic solid called?

The existence of resonance makes a molecule less stable than would otherwise be the case.

Assuming reactions between the following pairs of elements, which pair is most likely to form a covalent compound?

Which of the following compounds contains a polyatomic ion?

What is the formula of the ionic compound formed when ions of calcium and nitrogen combine?

Molecular compounds usually involve ionic bonding.

What term describes a solution of a compound in water that does not conduct an electric current?

A certain compound has a very high melting point, and when it dissolves in water the solution conducts electricity.Which one of the following compounds would have these properties?

Resonance occurs when two or more different, valid Lewis structures can be drawn for a molecule.

How many dots are present in the Lewis symbol for the fluorine atom?

Chemistry:methods and Measurement

The Structure of the Atom and the Periodic Table

Calculations, Chemical Changes, and the Chemical Equation

States of Matter- Gases, Liquids, and Solids

Solutions

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters

What is the name of the ionic compound with the formula Na₃PO₄?

Which statement is TRUE concerning the solubility of a substance in H₂O?

What is the Stock name of Cu⁺?