Question 1

Select the correct Lewis structure for NOCl,a reactive material used as an ionizing solvent.

Accepted Answer

A)   
B)   
C)   
D)   
E)  None of these choices is correct.F) B) and D)
G) B) and C)

Question 2

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) B) and D)

Question 3

Which one of the following compounds is most likely to be ionic?

Accepted Answer

A)  HNF2
B)  H2CO
C)  N2H4
D)  CaCl2
E)  IClF) A) and B)
G) C) and E)

Question 4

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 5

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 B)
G) A) and C)

Question 6

Select the compound with the highest (i.e.,most negative) lattice energy.

Accepted Answer

A)  CaS(s) 
B)  BaO(s) 
C)  NaI(s) 
D)  LiBr(s) 
E)  MgO(s) F) C) and D)
G) A) and D)

Question 7

How many dots does the Lewis dot symbol for magnesium have around it?

Accepted Answer

A)  1
B)  2
C)  0
D)  3
E)  7F) A) and B)
G) A) and C)

Question 8

Select the correct Lewis structure for nitrogen trifluoride,NF3.

Accepted Answer

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G) D) and E)

Question 9

Unshared electrons are always shown in pairs around an atom.

Accepted Answer

A) True 
 B)False

Question 10

In which one of the following is the best Lewis structure a resonance structure?

Accepted Answer

A)  SO3
B)  BF3
C)  I3-
D)  SCO (C = central atom) 
E)  SO32-F) A) and D)
G) A) and E)

Question 11

When an alkali metal combines with a nonmetal,a covalent bond is normally formed.

Accepted Answer

A) True 
 B)False

Question 12

Which of these pairs of elements would be most likely to form an ionic compound?

Accepted Answer

A)  Cl and I
B)  Al and K
C)  Cl and Mg
D)  C and S
E)  Al and MgF) B) and D)
G) A) and E)

Question 13

Which of these ionic solids would have the largest lattice energy?

Accepted Answer

A)  NaCl
B)  NaF
C)  CaBr2
D)  CsI
E)  CaCl2F) A) and E)
G) B) and C)

Question 14

What is the electrostatic attraction called that holds oppositely charged ions together in a compound?

Accepted Answer

The answer of What is the electrostatic attraction called that...

Question 15

Which of these compounds is most likely to be covalent?

Accepted Answer

A)  KF
B)  CaCl2
C)  SF4
D)  Al2O3
E)  CaSO4F) C) and D)
G) B) and D)

Question 16

Which of these ionic solids would have the largest lattice energy?

Accepted Answer

A)  SrO
B)  NaF
C)  CaBr2
D)  CsI
E)  BaSO4F) B) and D)
G) C) and D)

Question 17

How many dots does the Lewis dot symbol for carbon have around it?

Accepted Answer

A)  4
B)  2
C)  6
D)  3
E)  7F) B) and C)
G) All of the above

Question 18

Select the element whose Lewis symbol is correct.

Accepted Answer

A)  •Ga•
B)  •Al•
C)  Al•
D)  ••Tl••E) A) and D)
F) B) and C)

Question 19

Which statement is false concerning ionic bonds and compounds?

Accepted Answer

A)  Ionic bonds are a result of electrostatic forces.
B)  Ionic bonds usually occur between elements with high and low electron affinities.
C)  Elements of an ionic compound usually carry the same charge.
D)  Lewis dot symbols are useful for tracking electrons.E) B) and D)
F) None of the above

Question 20

What types of elements undergo ionic bonding?

Accepted Answer

A)  two metals
B)  a nonmetal and a metal
C)  two nonmetals
D)  two Group 1A elements
E)  two noble gasesF) A) and B)
G) A) and E)

Exam 8: Chemical Bonding I Basic Concepts

Which one of the following compounds is most likely to be ionic?

Correct AnswerverifiedShow Answer

In which one of the following is the best Lewis structure a resonance structure?

Correct AnswerverifiedShow Answer

What is the electrostatic attraction called that holds oppositely charged ions together in a compound?

Correct AnswerverifiedShow Answer

Unshared electrons are always shown in pairs around an atom.

Correct AnswerverifiedShow Answer

Select the element whose Lewis symbol is correct.

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Which of these ionic solids would have the largest lattice energy?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which statement is false concerning ionic bonds and compounds?

Correct AnswerverifiedShow Answer

How many dots does the Lewis dot symbol for carbon have around it?

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Select the correct Lewis structure for nitrogen trifluoride,NF3.

Correct AnswerverifiedShow Answer

Which of these ionic solids would have the largest lattice energy?

Correct AnswerverifiedShow Answer

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

Select the correct Lewis structure for NOCl,a reactive material used as an ionizing solvent.

Correct AnswerverifiedShow Answer

Select the compound with the highest (i.e.,most negative) lattice energy.

Correct AnswerverifiedShow Answer

Which of these compounds is most likely to be covalent?

Correct AnswerverifiedShow Answer

What types of elements undergo ionic bonding?

Correct AnswerverifiedShow Answer

How many dots does the Lewis dot symbol for magnesium have around it?

Correct AnswerverifiedShow Answer

When an alkali metal combines with a nonmetal,a covalent bond is normally formed.

Correct AnswerverifiedShow Answer

Which of these pairs of elements would be most likely to form an ionic compound?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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Select the correct Lewis structure for nitrogen trifluoride,NF₃.

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