Question 1

In the Lewis dot symbol, the element symbol represents the ________ and the dots represent the ________.

Accepted Answer

core elect...

Question 2

Which one of the following Lewis structures is definitely incorrect?

Accepted Answer

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

Question 3

In the following Lewis structure for ClO3F, chlorine has a formal charge of ________ and an oxidation number of ________. 3F, chlorine has a formal charge of ________ and an oxidation number of ________.   A)  7, 7 B)  7, -1 C)  1, 1 D)  1, -1 E)  1, 7" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   7, 7
B)   7, -1
C)   1, 1
D)   1, -1
E)   1, 7F) B) and E)
G) None of the above

Question 4

In the Lewis structure of the iodate ion, IO3-, that satisfies the octet rule, the formal charge on the central iodine atom is

Accepted Answer

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

Question 5

If an element is bonded to 4 other atoms and has a formal charge of +1, what group must the element be in?

Accepted Answer

A)   3A
B)   4A
C)   5A
D)   6A
E)   7AF) C) and E)
G) A) and D)

Question 6

In the resonance structure of sulfur dioxide, the sulfur atom has one single bond and one double bond. What is the formal charge of this sulfur atom?

Accepted Answer

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

Question 7

Which of these compounds is most likely to be ionic?

Accepted Answer

A)   GaAs
B)   SrBr2
C)   NO2
D)   CBr4
E)   H2OF) B) and E)
G) All of the above

Question 8

What name is given to the sharing of electrons between two atoms?

Accepted Answer

The answer of What name is given to the sharing...

Question 9

The number of dots in the Lewis dot symbol for a main group element is the same as the ________ ________.

Accepted Answer

group numb...

Question 10

Which of the following is an ionic compound?

Accepted Answer

A)   H2S
B)   NH3
C)   I2
D)   KI
E)   CCl4F) C) and D)
G) A) and C)

Question 11

The Lewis dot symbol for the a lead atom is

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) All of the above
G) A) and B)

Question 12

What is the formal charge on phosphorus in a Lewis structure for the phosphate ion that satisfies the octet rule?

Accepted Answer

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

Question 13

The Lewis structure for a chlorate ion, ClO3-, should show ________ single bond(s) , ________ double bond(s) , and ________ lone pair(s) .

Accepted Answer

A)   1, 2, 7
B)   3, 0, 9
C)   2, 1, 9
D)   3, 0, 10
E)   1, 2, 8F) C) and E)
G) B) and E)

Question 14

In which of the following species does the central atom violate the octet rule?

Accepted Answer

A)   CH4
B)   SF4
C)   PCl4+
D)   CCl3+
E)   NH3F) B) and E)
G) A) and E)

Question 15

The Lewis dot symbol consists of the symbol for the element surrounded by dot(s) . What does the dot or dots represent?

Accepted Answer

A)   Electron configuration
B)   Valence electrons
C)   Atomic number
D)   Atomic mass
E)   Core electronsF) C) and D)
G) A) and B)

Question 16

Select the element whose Lewis symbol is correct.

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) None of the above
G) C) and D)

Question 17

The number of resonance structures for the sulfur dioxide molecule that satisfy the octet rule is

Accepted Answer

A)   1.
B)   2.
C)   3.
D)   4.
E)   none of theseF) B) and E)
G) A) and E)

Question 18

How many total resonance structures can be drawn for the sulfate ion, SO42-?

Accepted Answer

A)   2
B)   3
C)   4
D)   5
E)   6F) A) and D)
G) A) and E)

Question 19

Select the correct Lewis structure for nitrogen trifluoride, NF3.

Accepted Answer

A)   3. 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
B)   3. 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
C)   3. 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
D)   3. 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
E)   3. 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >F) A) and B)
G) A) and C)

Question 20

Which of the following contains ionic bonding?

Accepted Answer

A)   CO
B)   SrF2
C)   Al
D)   OCl2
E)   HClF) B) and E)
G) A) and E)

Exam 8: Chemical Bonding I: Basic Concepts

The Lewis dot symbol consists of the symbol for the element surrounded by dot(s) . What does the dot or dots represent?

Correct AnswerverifiedShow Answer

In the resonance structure of sulfur dioxide, the sulfur atom has one single bond and one double bond. What is the formal charge of this sulfur atom?

Correct AnswerverifiedShow Answer

The number of dots in the Lewis dot symbol for a main group element is the same as the ________ ________.

Correct Answerverifiedgroup numb...View AnswerShow Answer

In the Lewis structure of the iodate ion, IO3-, that satisfies the octet rule, the formal charge on the central iodine atom is

Correct AnswerverifiedShow Answer

The Lewis structure for a chlorate ion, ClO3-, should show ________ single bond(s) , ________ double bond(s) , and ________ lone pair(s) .

Correct AnswerverifiedShow Answer

What is the formal charge on phosphorus in a Lewis structure for the phosphate ion that satisfies the octet rule?

Correct AnswerverifiedShow Answer

How many total resonance structures can be drawn for the sulfate ion, SO42-?

Correct AnswerverifiedShow Answer

If an element is bonded to 4 other atoms and has a formal charge of +1, what group must the element be in?

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Which of the following is an ionic compound?

Correct AnswerverifiedShow Answer

The number of resonance structures for the sulfur dioxide molecule that satisfy the octet rule is

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The Lewis dot symbol for the a lead atom is

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Select the element whose Lewis symbol is correct.

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Which of the following contains ionic bonding?

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In the following Lewis structure for ClO3F, chlorine has a formal charge of ________ and an oxidation number of ________.

Correct AnswerverifiedShow Answer

In the Lewis dot symbol, the element symbol represents the ________ and the dots represent the ________.

Correct Answerverifiedcore elect...View AnswerShow Answer

In which of the following species does the central atom violate the octet rule?

Correct AnswerverifiedShow Answer

Which one of the following Lewis structures is definitely incorrect?

Correct AnswerverifiedShow Answer

Which of these compounds is most likely to be ionic?

Correct AnswerverifiedShow Answer

What name is given to the sharing of electrons between two atoms?

Correct AnswerverifiedShow Answer

Select the correct Lewis structure for nitrogen trifluoride, NF3.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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The number of dots in the Lewis dot symbol for a main group element is the same as the .

Correct Answer
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group numb...
View Answer

In the Lewis structure of the iodate ion, IO₃^-, that satisfies the octet rule, the formal charge on the central iodine atom is

Correct Answer
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The Lewis structure for a chlorate ion, ClO₃^-, should show single bond(s) , double bond(s) , and lone pair(s) .

Correct Answer
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Correct Answer
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How many total resonance structures can be drawn for the sulfate ion, SO₄^2-?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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In the following Lewis structure for ClO₃F, chlorine has a formal charge of and an oxidation number of .

Correct Answer
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In the Lewis dot symbol, the element symbol represents the and the dots represent the .

Correct Answer
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core elect...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Select the correct Lewis structure for nitrogen trifluoride, NF₃.

Correct Answer
verified