Deck 8: Chemical Bonding

Question 1

Which of the following compounds is likely to have covalent bonds?

A)NaCl
B)LiF
C)CO
D)CaBr₂
E)MgO

Answer 1

CO

Question 2

Which image(s) in the figure represents a compound with covalent bonds?

A)II only
B)III only
C)IV only
D)II and III
E)II, III, and V

Answer 2

II, III, and V

Question 3

Which image(s) in the figure represents an ionic compound?

A)I only
B)II only
C)III only
D)IV only
E)I and IV

Answer 3

I and IV

Question 4

In which of the following bonds does hydrogen have a partial negative charge ( $\delta$ -)?

A)H-F
B)H-B
C)H-C
D)H-H
E)None of these

Question 5

Which of the following substances has both ionic and covalent bonding?

A)NaCl
B)Cl₂
C)MgO
D)MgCO₃
E)None of these

Question 6

Which of the following compounds is likely to occur as a gas at room temperature?

A)CaF₂
B)MgS
C)NO₂
D)NaF
E)CoCl₂

Question 7

In which of the following bonds does nitrogen have a partial negative charge ( $\delta$ -)?

A)N-C
B)N-O
C)N-F
D)N-N
E)None of these

Question 8

Which of the following compounds is likely to occur as a solid at room temperature?

A)CH₄
B)SO₂
C)CaCl₂
D)CO₂
E)H₂O₂

Question 9

Which of the following compounds is likely to have a relatively high boiling point?

A)PH₃
B)FeCl₃
C)NO
D)SO₂
E)C₂H₆

Question 10

Which of the following compounds is likely to have covalent bonds?

A)MgS
B)KF
C)SO₂
D)SrCl₂
E)RbF

Question 11

Which image(s) in the figure represents an ionic compound?

A)I only
B)II only
C)III only
D)IV only
E)I and IV

Question 12

Which of the following substances has bonding best described as ionic bonding?

A)SiO₂
B)TiO₂
C)SO₂
D)CO₂
E)O₂

Question 13

Which image(s) in the figure represents a compound that contains covalent bonds?

A)I only
B)II only
C)II and III
D)II, III, and V
E)V only

Question 14

Which of the following compounds is likely to occur as a solid at room temperature?

A)PH₃
B)NO₂
C)MgCl₂
D)SO₂
E)ClO₂

Question 15

Which of the following compounds is likely to have covalent bonds?

A)LiBr
B)CsF
C)BaCl₂
D)Cr₂O₃
E)NO₂

Question 16

Which of the following compounds is likely to have covalent bonds?

A)CaBr₂
B)OF₂
C)NaF
D)BaBr₂
E)LiCl

Question 17

Which of the following elements is the most electronegative?

A)carbon
B)silicon
C)nitrogen
D)oxygen
E)lithium

Question 18

Which of the following elements is the most electronegative?

A)H
B)S
C)F
D)Cl
E)P

Question 19

Which of the following compounds is likely to occur as a gas at room temperature?

A)CaF₂
B)CH₄
C)MgO
D)FeCl₃
E)LiF

Question 20

Which of the following compounds is likely to have a relatively high boiling point?

A)CoCl₃
B)NH₃
C)CO
D)NO₂
E)CH₄

Question 21

The Lewis symbol for P^3- is:

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

Question 22

Using periodic trends, arrange the following atoms in order of increasing electronegativity: S, Sr, P, Cs

A)S < Sr < P < Cs
B)S < P < Sr < Cs
C)P < Cs < Sr < S
D)Cs < Sr < S < P
E)Cs < Sr < P < S

Question 23

In which of the following molecules does oxygen have a partial positive charge ( $\delta$ +)?

A)O₂
B)OF₂
C)H₂O
D)MgO
E)None of these

Question 24

Using periodic trends, arrange the following atoms in order of increasing electronegativity: Cl, Si, Ga, Sr

A)Cl < Si < Ga < Sr
B)Si < Ga < Sr < Cl
C)Si < Cl < Ga < Sr
D)Sr < Ga < Si < Cl
E)Sr > Ga < Cl < Si

Question 25

Arrange the following bonds in order of increasing polarity: O-H, C-H, F-H, H-H

A)O-H < C-H < F-H < H-H
B)C-H < O-H < F-H < H-H
C)H-H < C-H < O-H < F-H
D)C-H < H-H < O-H < F-H
E)H-H < C-H < F-H < O-H

Question 26

The Lewis symbol for N is:

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

Question 27

The Lewis symbol for C is:

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

Question 28

Arrange the following bonds in order of increasing polarity: Cl-S, Cl-P, Cl-Si, Cl-Cl

A)Cl-S < Cl-P < Cl-Si < Cl-Cl
B)Cl-S < Cl-Si < Cl-P < Cl-Cl
C)Cl-Si < Cl-S < Cl-Cl < Cl-P
D)Cl-Cl < Cl-S < Cl-P < Cl-Si
E)Cl-Cl < Cl-P < Cl-Si < Cl-S

Question 29

Arrange the following bonds in order of increasing polarity: F-F, F-C, F-O, F-N

A)F-F < F-C < F-O < F-N
B)F-F < F-O < F-N < F-C
C)F-O < F-N < F-F < F-C
D)F-N < F-O < F-F < F-C
E)F-N < F-C < F-O < F-F

Question 30

Arrange the following bonds in order of increasing polarity: C-O, C-C, C-N, C-F

A)C-O < C-C < C-N < C-F
B)C-N < C-O < C-F < C-C
C)C-F < C-O < C-N < C-C
D)C-C < C-N < C-O < C-F
E)C-C < C-O < C-N < C-F

Question 31

The Lewis symbol for Al³⁺ is:

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

Question 32

Arrange the following bonds in order of increasing polarity: H-Cl, H-I, H-Br, H-F

A)H-Cl < H-I < H-Br < H-F
B)H-Cl < H-Br < H-I < H-F
C)H-F < H-Cl < H-Br < H-I
D)H-I < H-Br < H-Cl < H-F
E)H-I < H-Cl < H-Br < H-F

Question 33

The Lewis symbol for O^2- is:

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

Question 34

The Lewis symbol for S is:

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

Question 35

Which of the following molecules contains the most polar bonds?

A)F₂
B)OF₂
C)NF₃
D)BF₃
E)CF₄

Question 36

Using periodic trends, arrange the following atoms in order of increasing electronegativity: F, O, S, As

A)F < O < S < As
B)As < O < S < F
C)As < S < O < F
D)S < As < O < F
E)S < As < F < O

Question 37

The Lewis symbol for F is:

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

Question 38

The Lewis symbol for Mg is:

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

Question 39

The Lewis symbol for Ba²⁺ is:

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

Question 40

Using periodic trends, arrange the following atoms in order of increasing electronegativity: Se, Cl, Mg, Na

A)Se < Cl < Mg < Na
B)Na < Mg < Cl < Se
C)Mg < Na < Se < Cl
D)Se < Mg < Na < Cl
E)Na < Mg < Se < Cl

Question 41

How many single bonds are typically formed by the element C?

A)1
B)2
C)3
D)4
E)the number of bonds varies

Question 42

Which of the following statements regarding covalent bonding is incorrect?

A)All atoms in a Lewis structure will have eight electrons around their element symbol.
B)Covalent bonds occur between two nonmetals.
C)Two atoms may share up to three pairs of electrons.
D)Carbon typically forms four bonds.
E)The elements which exist as diatomic molecules do so in order to achieve a stable electron configuration.

Question 43

Identify the main-group element X that could form the compound

A)C
B)O
C)N
D)F
E)P

Question 44

How many single bonds are typically formed by the element N?

A)1
B)2
C)3
D)4
E)the number of bonds varies

Question 45

How many single bonds are typically formed by the element O?

A)1
B)2
C)3
D)4
E)the number of bonds varies

Question 46

Identify the main-group element X that could form the compound

A)C
B)O
C)N
D)F
E)P

Question 47

The formula for aluminum chloride is:

A)AlCl
B)AlCl₂
C)Al₂Cl₃
D)AlCl₃
E)AlCl₄

Question 48

Draw the Lewis symbol for NaBr.

A)
B)Na-Br
C)Na-Br:
D):Na-Br:
E)

Question 49

Which of the following statements regarding covalent bonding is incorrect?

A)In covalent bonding, electrons are shared between two atoms.
B)Most elements try to acquire an octet of electrons in their valence shell when bonding.
C)Hydrogen only requires two electrons in its valence shell when bonding.
D)Covalent bonds occur between a metal and a nonmetal.
E)It is possible for two atoms to share more than one pair of electrons.

Question 50

An unknown molecular compound has the following Lewis structure.Which of the following elements could be the identity of X?

A)Si
B)P
C)S
D)Cl
E)Ne

Question 51

The formula for aluminum oxide is:

A)AlO
B)Al₂O
C)AlO₂
D)Al₃O₂
E)Al₂O₃

Question 52

Draw the Lewis symbol for CaO.

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

Question 53

Draw the Lewis symbol for K₂O.

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

Question 54

Which of the following statements regarding ionic compounds is incorrect?

A)In many ionic compounds, a metal accepts electron(s) from a nonmetal.
B)Ionic compounds tend to have high melting points.
C)Electrostatic attractions hold the ions together in an ionic lattice.
D)Ionic compounds must be electrically neutral.
E)The formula of an ionic compound will have the simplest possible whole-number ratio of the ions to each other.

Question 55

Draw the Lewis symbol for MgCl₂.

A)Cl-Mg-Cl
B)
C)Mg-Cl-Cl
D):Cl-Mg-Cl:
E)

Question 56

The formula for calcium sulfide is:

A)Ca₂S
B)CaS₂
C)CaS
D)Ca₂S₂
E)Ca₂S₃

Question 57

The formula for calcium nitride is:

A)CaN
B)Ca₂N
C)CaN₂
D)Ca₃N₂
E)Ca₂N₃

Question 58

Which of the following statements regarding ionic compounds is incorrect?

A)Ions are held together in an ionic lattice by electrostatic attractions.
B)The crystal structure of a given compound will depend on the sizes and number of ions in a formula unit of the compound.
C)Ionic compounds tend to have low melting points.
D)Ionic compounds are formed when a metal and a nonmetal react.
E)In forming an ionic compound, one element transfers one or more electrons to another element.

Question 59

An unknown molecular compound has the following Lewis structure.Which of the following elements could be the identity of X?

A)C
B)N
C)O
D)Cl
E)Ne

Question 60

An unknown molecular compound has the following Lewis structure.Which of the following elements could be the identity of X?

A)S
B)H
C)C
D)Cl
E)N

Question 61

Draw the Lewis structure for the NO₂- ion.What is the total number of electrons shared between nitrogen and the two oxygen atoms?

A)2
B)3
C)5
D)6
E)8

Question 62

Which of these molecules or ions has a violation of the octet rule (other than H)?

A)CO
B)H₂O
C)PCl₅
D)Br₂
E)NH₃

Question 63

Which of the following molecules would exhibit resonance?

A)H₂S
B)Cl₂
C)SO₂
D)O₂
E)CH₄

Question 64

Which of the following contains a triple bond?

A)H₂
B)N₂
C)O₂
D)F₂
E)Cl₂

Question 65

Which of the following molecules would exhibit resonance?

A)H₂O
B)N₂
C)NO₂
D)CO₂
E)CCl₄

Question 66

Which of these molecules or ions has a violation of the octet rule (other than H)?

A)C₂H₂
B)NH₄⁺
C)SO₂
D)BeF₂
E)I₂

Question 67

In which of the following does the central atom NOT obey the octet rule?

A)BH₃
B)NH₃
C)PH₃
D)H₂S
E)All of these obey the octet rule.

Question 68

How many equivalent resonance structures best represent(s) the NO₂- ion?

A)1
B)2
C)3
D)4
E)It does not exhibit resonance.

Question 69

Which of these molecules or ions has a violation of the octet rule (other than H)?

A)BCl₃
B)F₂
C)PH₃
D)NO_3‾
E)SF₂

Question 70

The correctly drawn Lewis formula for CBr₄ will have __________.

A)4 single bonds
B)5 single bonds
C)4 single bonds and 1 pair of nonbonding electrons on the carbon atom
D)4 single bonds and 2 pairs of nonbonding electrons on the carbon atom
E)4 single bonds and 3 pairs of nonbonding electrons on the carbon atom

Question 71

Which of these molecules or ions has a violation of the octet rule (other than H)?

A)CO₂
B)H₂S
C)SF₄
D)CH₄
E)PCl₃

Question 72

The correctly drawn Lewis formula for C₂H₂ will have __________.

A)4 single bonds
B)5 single bonds
C)4 single bonds and 1 double bond
D)4 single bonds and 1 triple bond
E)5 double bonds

Question 73

Which of the following molecules or ions would exhibit resonance?

A)C₂H₂
B)Br₂
C)CO₃^2‾
D)CO
E)SiH₄

Question 74

Identify the class of organic substance for the molecule CH₃CH₂-OH.

A)alkane
B)alkene
C)alcohol
D)amine
E)ester

Question 75

Which of the following contains a double bond?

A)CH₄
B)C₂H₆
C)C₂H₄
D)C₂H₂
E)H₂

Question 76

The correctly drawn Lewis formula for NH₂OH will have __________.

A)3 single bonds and 3 pairs of nonbonding electrons
B)4 single bonds and 3 pairs of nonbonding electrons
C)3 single bonds, 1 double bond, and 2 pairs of nonbonding electrons
D)2 single bonds, 2 double bonds, and 2 pairs of nonbonding electrons
E)4 single bonds and 2 pairs of nonbonding electrons

Question 77

The correctly drawn Lewis formula for SiH₄ will have __________.

A)4 single bonds and 1 pair of nonbonding electrons on the Si atom
B)4 double bonds to the Si atom
C)2 single and 2 double bonds on the Si atom
D)2 single bonds to Si and 2 single bonds to terminal H atoms
E)4 single bonds to Si

Question 78

Which of the following is best represented by two equivalent resonance structures?

A)O₃
B)CO₂
C)NO₃-
D)N₂
E)none of these

Question 79

Which of the following contains a triple bond?

A)C₂H₆
B)HCN
C)NO₃^-
D)NH₃
E)O₃

Question 80

The correctly drawn Lewis formula for HCN will have __________.

A)2 single bonds and 5 pairs of nonbonding electrons
B)1 single bond, 1 double bond, and 3 pairs of nonbonding electrons
C)2 double bonds and 2 pairs of nonbonding electrons
D)1 single bond, 1 triple bond, and 1 pair of nonbonding electrons
E)2 double bonds and 1 pair of nonbonding electrons