Question 1

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

Accepted Answer

Graphite is the most stable allotrope un...

Question 2

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)  6AF) All of the above
G) A) and D)

Question 3

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 covalentF) A) and B)
G) A) and C)

Question 4

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)  +1F) A) and B)
G) B) and E)

Question 5

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) F) D) and E)
G) C) and E)

Question 6

How many covalent bonds will a nitrogen atom usually form?

Accepted Answer

A)  8
B)  2
C)  5
D)  3
E)  1F) A) and D)
G) A) and B)

Question 7

Which of these compounds is most likely to be covalent?

Accepted Answer

A)  CS2
B)  MgI2
C)  CaO
D)  Rb2S
E)  SrCl2F) All of the above
G) B) and C)

Question 8

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.F) D) and E)
G) C) and D)

Question 9

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)  +2F) A) and D)
G) A) and E)

Question 10

Ionic hydrides do not have exact (stoichiometric)formulas.

Accepted Answer

A) True 
 B)False

Question 11

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) F) A) and D)
G) B) and D)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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 BF) D) and E)
G) A) and B)

Question 14

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

Accepted Answer

A)  -1
B)  +2
C)  0
D)  -2
E)  +1F) B) and E)
G) All of the above

Question 15

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-F) D) and E)
G) All of the above

Question 16

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.F) B) and D)
G) A) and B)

Question 17

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.F) A) and C)
G) B) and C)

Question 18

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

Accepted Answer

A)  +2
B)  -2
C)  0
D)  -1
E)  +1F) B) and E)
G) A) and B)

Question 19

Which is NOT a hydride?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and D)
G) C) and E)

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 24: Nonmetallic Elements and Their Compounds

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

Correct AnswerverifiedShow Answer

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

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

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

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

Correct AnswerverifiedGraphite is the most stable allotrope un...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Which is NOT a hydride?

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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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Ionic hydrides do not have exact (stoichiometric)formulas.

Correct AnswerverifiedShow Answer

Hydrogen peroxide,H2O2,is

Correct AnswerverifiedShow Answer

Which of these pairs consists of isoelectronic species?

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Carbon dioxide is used in all of the following ways except

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Which of these compounds is most likely to be covalent?

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

Correct AnswerverifiedShow Answer

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

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How many covalent bonds will a nitrogen atom usually form?

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

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

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

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

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

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Graphite is the most stable allotrope un...
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What is the formal charge on the iodine atom in the iodate ion,IO₃^-?

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Hydrogen peroxide,H₂O₂,is

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

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

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

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

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