Question 1

What is the formal charge on the singly bonded oxygens in the Lewis structure for the carbonate ion?

Accepted Answer

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

Question 2

Name the three allotropes of carbon and briefly describe their properties and structures.

Accepted Answer

Graphite is the most stable allotrope un

Question 3

Carbon dioxide is used in all of the following ways except

Accepted Answer

A) to provide the "bite" in soft drinks. 
B) in fire extinguishers. 
C) as a refrigerant. 
D) in the Frasch process. 
E) in the manufacture of soda ash. 
A) to provide the "bite" in soft drinks. 
B) in fire extinguishers. 
C) as a refrigerant. 
D) in the Frasch process. 
E) in the manufacture of soda ash.

Question 4

What is the formal charge on the central nitrogen atom in N2O?

Accepted Answer

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

Question 5

What products are formed from the reaction of H2O(l)with ClF5(l)?

Accepted Answer

A) HClO2(aq)and HF(aq) 
B) HClO3(aq)and HF(aq) 
C) HClO(aq)and HF(aq) 
D) HCl(aq)and HF(aq) 
E) HClO(aq)and HFO(aq) 
A) HClO2(aq)and HF(aq) 
B) HClO3(aq)and HF(aq) 
C) HClO(aq)and HF(aq) 
D) HCl(aq)and HF(aq) 
E) HClO(aq)and HFO(aq)

Question 6

Ionic hydrides do not have exact (stoichiometric)formulas.

Accepted Answer

A) True 
 B)False

Question 7

The chlor-alkali process produces chlorine,Cl2(g),in large quantities.What other industrially important substances are produced in this process?

Accepted Answer

A) Na(s),H2(g) 
B) H2(g),O2(g) 
C) Hg(l),NaCl(s) 
D) Na(s),O2(g) 
E) NaOH(aq),H2(g) 
A) Na(s),H2(g) 
B) H2(g),O2(g) 
C) Hg(l),NaCl(s) 
D) Na(s),O2(g) 
E) NaOH(aq),H2(g)

Question 8

Which of these pairs consists of isoelectronic species?

Accepted Answer

A) Zn2+ and Cu2+ 
B) Cl- and S 
C) Na+ and K+ 
D) Mn2+ and Ar 
E) K+ and Cl- 
A) Zn2+ and Cu2+ 
B) Cl- and S 
C) Na+ and K+ 
D) Mn2+ and Ar 
E) K+ and Cl-

Question 9

Which is NOT a hydride?

Accepted Answer

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

Question 10

The acidity of oxides of main group elements increases down a group,from top to bottom.

Accepted Answer

A) True 
 B)False

Question 11

What is the formal charge on the iodine atom in the iodate ion,IO3-?

Accepted Answer

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

Question 12

What type of bond is the O-H bond in CH3OH?

Accepted Answer

A) Nonpolar covalent 
B) Ionic 
C) Coordinate covalent 
D) Polar ionic 
E) Polar covalent 
A) Nonpolar covalent 
B) Ionic 
C) Coordinate covalent 
D) Polar ionic 
E) Polar covalent

Question 13

What is the formal charge on the bromine atom in BrO3-?

Accepted Answer

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

Question 14

Which of these compounds is most likely to be covalent?

Accepted Answer

A) CS2 
B) MgI2 
C) CaO 
D) Rb2S 
E) SrCl2 
A) CS2 
B) MgI2 
C) CaO 
D) Rb2S 
E) SrCl2

Question 15

The Haber process is the first step in the manufacture of sulfuric acid.

Accepted Answer

A) True 
 B)False

Question 16

How many covalent bonds will a nitrogen atom usually form?

Accepted Answer

A) 8 
B) 2 
C) 5 
D) 3 
E) 1 
A) 8 
B) 2 
C) 5 
D) 3 
E) 1

Question 17

Which of the following elements can be oxidized by nitric acid to form its corresponding oxoacid?

Accepted Answer

A) Sulfur 
B) Gold 
C) Phosphorus 
D) A and C 
E) A and B 
A) Sulfur 
B) Gold 
C) Phosphorus 
D) A and C 
E) A and B

Question 18

What group of the periodic table is the element with the electron configuration [Ar]4s23d104p2?

Accepted Answer

A) 4A 
B) 3A 
C) 5A 
D) 2A 
E) 6A 
A) 4A 
B) 3A 
C) 5A 
D) 2A 
E) 6A

Question 19

Hydrogen peroxide,H2O2,is

Accepted Answer

A) a strong reducing agent. 
B) used as a drying agent. 
C) a colored liquid with a low boiling point. 
D) a strong acid. 
E) a component of rocket fuel. 
A) a strong reducing agent. 
B) used as a drying agent. 
C) a colored liquid with a low boiling point. 
D) a strong acid. 
E) a component of rocket fuel.

Question 20

In a certain science fiction movie,one of the main characters describes an alien planet that has an atmosphere composed of carbon monoxide and fluorine gases.Could such an atmosphere really exist?

Accepted Answer

A) Yes. 
B) No,because fluorine would oxidize carbon monoxide to carbon dioxide. 
C) No,because fluorine would reduce carbon monoxide to methane. 
D) No,because carbon monoxide would oxidize fluorine to oxygen difluoride. 
E) No,because carbon monoxide would reduce fluorine to hydrogen fluoride. 
A) Yes. 
B) No,because fluorine would oxidize carbon monoxide to carbon dioxide. 
C) No,because fluorine would reduce carbon monoxide to methane. 
D) No,because carbon monoxide would oxidize fluorine to oxygen difluoride. 
E) No,because carbon monoxide would reduce fluorine to hydrogen fluoride.

Exam 24: Nonmetallic Elements and Their Compounds

What is the formal charge on the singly bonded oxygens in the Lewis structure for the carbonate ion?

Name the three allotropes of carbon and briefly describe their properties and structures.

Carbon dioxide is used in all of the following ways except

What is the formal charge on the central nitrogen atom in N2O?

What products are formed from the reaction of H2O(l)with ClF5(l)?

Ionic hydrides do not have exact (stoichiometric)formulas.

The chlor-alkali process produces chlorine,Cl2(g),in large quantities.What other industrially important substances are produced in this process?

Which of these pairs consists of isoelectronic species?

Which is NOT a hydride?

The acidity of oxides of main group elements increases down a group,from top to bottom.

What is the formal charge on the iodine atom in the iodate ion,IO3-?

What type of bond is the O-H bond in CH3OH?

What is the formal charge on the bromine atom in BrO3-?

Which of these compounds is most likely to be covalent?

The Haber process is the first step in the manufacture of sulfuric acid.

How many covalent bonds will a nitrogen atom usually form?

Which of the following elements can be oxidized by nitric acid to form its corresponding oxoacid?

What group of the periodic table is the element with the electron configuration [Ar]4s23d104p2?

Hydrogen peroxide,H2O2,is

In a certain science fiction movie,one of the main characters describes an alien planet that has an atmosphere composed of carbon monoxide and fluorine gases.Could such an atmosphere really exist?

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Organic Chemistry

Filters

What is the formal charge on the central nitrogen atom in N₂O?

What products are formed from the reaction of H₂O(l)with ClF₅(l)?

The chlor-alkali process produces chlorine,Cl₂(g),in large quantities.What other industrially important substances are produced in this process?

What is the formal charge on the iodine atom in the iodate ion,IO₃^-?

What type of bond is the O-H bond in CH₃OH?

What is the formal charge on the bromine atom in BrO₃^-?

What group of the periodic table is the element with the electron configuration [Ar]4s²3d¹⁰4p²?

Hydrogen peroxide,H₂O₂,is