Question 1

The ionic compound that forms between magnesium (Mg)and oxygen (O)has the formula _____ .

Accepted Answer

A) Mg2O 
B) MgO 
C) MgO2 
D) Mg2O3 
A) Mg2O 
B) MgO 
C) MgO2 
D) Mg2O3

Question 2

What medicinal value does ZnO have?

Accepted Answer

A) sun screen 
B) relieves diaper rash 
C) relieves poison ivy 
D) all of these 
A) sun screen 
B) relieves diaper rash 
C) relieves poison ivy 
D) all of these

Question 3

Which of the following electronic changes will cause a Group VA (15)element to achieve a noble gas configuration?

Accepted Answer

A) gain three electrons 
B) gain two electrons 
C) gain one electron 
D) lose three electrons 
A) gain three electrons 
B) gain two electrons 
C) gain one electron 
D) lose three electrons

Question 4

Which of the following is a correct Lewis structure for a group IIIA(13)element M?

Accepted Answer

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

Question 5

The most common positive ion in human fluids is _____ .

Accepted Answer

A) Cl −  
B) PO   
C) Na+ 
D) Fe2+ 
A) Cl −  
B) PO   
C) Na+ 
D) Fe2+

Question 6

K+ and Cl −  have the same electronic configuration as argon.

Accepted Answer

A) True 
 B)False

Question 7

The correct name for the covalent compound N2O4 is _____ .

Accepted Answer

A) dinitrogen tetroxide 
B) nitrogen oxide 
C) nitrogen quartoxide 
D) dinitrogen quartoxide 
A) dinitrogen tetroxide 
B) nitrogen oxide 
C) nitrogen quartoxide 
D) dinitrogen quartoxide

Question 8

Compounds containing covalent bonds are more soluble in water than those with ionic bonds.

Accepted Answer

A) True 
 B)False

Question 9

The correct name for CeS is _____ .

Accepted Answer

A) cesium sulfate 
B) cesium sulfide 
C) cerium sulfate 
D) cerium sulfide 
A) cesium sulfate 
B) cesium sulfide 
C) cerium sulfate 
D) cerium sulfide

Question 10

Which of the following molecules would be classified as polar covalent?

Accepted Answer

A) NaCl 
B) CH3Cl 
C) KCl 
D) CaCl2 
A) NaCl 
B) CH3Cl 
C) KCl 
D) CaCl2

Question 11

In one system of naming multiple cations of an element, ic is used to indicate the cation with the higher charge.

Accepted Answer

A) True 
 B)False

Question 12

The water molecule has a bent structure.

Accepted Answer

A) True 
 B)False

Question 13

The shape of a BF3 molecule is _____ .

Accepted Answer

A) angular 
B) trigonal planar 
C) trigonal pyramid 
D) tetrahedral 
A) angular 
B) trigonal planar 
C) trigonal pyramid 
D) tetrahedral

Question 14

When an ionic compound forms between sodium (Na)and bromine (Br)atoms, it is true that

Accepted Answer

A) a bromine atom donates an electron to a sodium atom. 
B) both the bromine atoms and sodium atoms donate electrons to each other. 
C) a sodium atom donates an electron to a bromine atom. 
D) neither bromine nor sodium atoms donate electrons to each other. 
A) a bromine atom donates an electron to a sodium atom. 
B) both the bromine atoms and sodium atoms donate electrons to each other. 
C) a sodium atom donates an electron to a bromine atom. 
D) neither bromine nor sodium atoms donate electrons to each other.

Question 15

The outer shell of a noble gas always contains eight electrons.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following would cause a calcium atom (Ca)to achieve a noble gas configuration?

Accepted Answer

A) lose one electron 
B) lose two electrons 
C) gain one electron 
D) gain two electrons 
A) lose one electron 
B) lose two electrons 
C) gain one electron 
D) gain two electrons

Question 17

​ Identify the suffix that is used to name the metal ions of higher charge in binary ionic compounds, when the elemental symbols of the metals are derived from non-English names.

Accepted Answer

A) -ate 
B) -ous 
C) -ic 
D) -IC 
A) -ate 
B) -ous 
C) -ic 
D) -IC

Question 18

Which of the following is the polyatomic ion call carbonate?

Accepted Answer

A) C2Cl2 −  
B) ClO −  
C) CO   
D) HCO    
A) C2Cl2 −  
B) ClO −  
C) CO   
D) HCO

Question 19

Dispersion forces are among the strongest interparticle forces.

Accepted Answer

A) True 
 B)False

Question 20

HCl and HBr can exhibit hydrogen bonding with each other.

Accepted Answer

A) True 
 B)False

Exam 4: Forces Between Particles

The ionic compound that forms between magnesium (Mg)and oxygen (O)has the formula _____ .

What medicinal value does ZnO have?

Which of the following electronic changes will cause a Group VA (15)element to achieve a noble gas configuration?

Which of the following is a correct Lewis structure for a group IIIA(13)element M?

The most common positive ion in human fluids is _____ .

K+ and Cl − have the same electronic configuration as argon.

The correct name for the covalent compound N2O4 is _____ .

Compounds containing covalent bonds are more soluble in water than those with ionic bonds.

The correct name for CeS is _____ .

Which of the following molecules would be classified as polar covalent?

In one system of naming multiple cations of an element, ic is used to indicate the cation with the higher charge.

The water molecule has a bent structure.

The shape of a BF3 molecule is _____ .

When an ionic compound forms between sodium (Na)and bromine (Br)atoms, it is true that

The outer shell of a noble gas always contains eight electrons.

Which of the following would cause a calcium atom (Ca)to achieve a noble gas configuration?

​ Identify the suffix that is used to name the metal ions of higher charge in binary ionic compounds, when the elemental symbols of the metals are derived from non-English names.

Which of the following is the polyatomic ion call carbonate?

Dispersion forces are among the strongest interparticle forces.

HCl and HBr can exhibit hydrogen bonding with each other.

Matter, Measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, Bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

K⁺ and Cl⁻ have the same electronic configuration as argon.

The correct name for the covalent compound N₂O₄ is _____ .

The shape of a BF₃ molecule is _____ .

Identify the suffix that is used to name the metal ions of higher charge in binary ionic compounds, when the elemental symbols of the metals are derived from non-English names.