Question 1

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 2

What is the molecular geometry of CO2?

Accepted Answer

A) linear 
B) trigonal planar 
C) angular 
D) trigonal pyramidal 
E) tetrahedral 
A) linear 
B) trigonal planar 
C) angular 
D) trigonal pyramidal 
E) tetrahedral

Question 3

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 4

According to the VSEPR theory,what is the geometry (shape)around the phosphorus atom in the Lewis structure shown below?

Accepted Answer

A) linear 
B) bent (angular) 
C) trigonal planar 
D) trigonal pyramidal 
E) tetrahedral 
A) linear 
B) bent (angular) 
C) trigonal planar 
D) trigonal pyramidal 
E) tetrahedral

Question 5

What kind of bond results when electron transfer occurs between atoms of two different elements?

Accepted Answer

A) ionic 
B) covalent 
C) nonpolar 
D) single 
E) double 
A) ionic 
B) covalent 
C) nonpolar 
D) single 
E) double

Question 6

Predict the formula of the compound formed when ions of sodium and sulfur combine.

Accepted Answer

A) Na2S 
B) NaS2 
C) NaS 
D) Na2S2 
E) Na3S 
A) Na2S 
B) NaS2 
C) NaS 
D) Na2S2 
E) Na3S

Question 7

What kind of bonding exists in substances that consist of discrete molecules?

Accepted Answer

A) ionic 
B) covalent 
C) hydrogen bonding 
D) intermolecular 
E) polar 
A) ionic 
B) covalent 
C) hydrogen bonding 
D) intermolecular 
E) polar

Question 8

The NO molecule can never satisfy the octet rule.

Accepted Answer

A) True 
 B)False

Question 9

In what region on the periodic table are elements with the lowest electronegativity values found?

Accepted Answer

A) upper right corner 
B) bottom right corner 
C) upper left corner 
D) bottom left corner 
E) middle 
A) upper right corner 
B) bottom right corner 
C) upper left corner 
D) bottom left corner 
E) middle

Question 10

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 11

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 12

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 13

As a rule,ionic compounds tend to have lower melting and boiling points than covalent compounds consisting of small molecules.

Accepted Answer

A) True 
 B)False

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

What is the molecular geometry of CO₂?

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

According to the VSEPR theory,what is the geometry (shape)around the phosphorus atom in the Lewis structure shown below?

What kind of bond results when electron transfer occurs between atoms of two different elements?

Predict the formula of the compound formed when ions of sodium and sulfur combine.

What kind of bonding exists in substances that consist of discrete molecules?

The NO molecule can never satisfy the octet rule.

In what region on the periodic table are elements with the lowest electronegativity values found?

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?

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

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

As a rule,ionic compounds tend to have lower melting and boiling points than covalent compounds consisting of small molecules.

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 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

Exam 3: Structure and Properties of Ionic and Covalent Compounds

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

What is the molecular geometry of CO2?

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

According to the VSEPR theory,what is the geometry (shape)around the phosphorus atom in the Lewis structure shown below?

What kind of bond results when electron transfer occurs between atoms of two different elements?

Predict the formula of the compound formed when ions of sodium and sulfur combine.

What kind of bonding exists in substances that consist of discrete molecules?

The NO molecule can never satisfy the octet rule.

In what region on the periodic table are elements with the lowest electronegativity values found?

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?

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

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

As a rule,ionic compounds tend to have lower melting and boiling points than covalent compounds consisting of small molecules.

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 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

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

What is the molecular geometry of CO₂?

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