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Chemical Bonding Review

Total questions: 75

Worksheet time: 2hrs 57mins

Name
Class
Date
1.

Which part of the atom is responsible for chemical bonding?

a)

Core Electrons

b)

Valence Electrons

c)

Protons

d)

Neutrons

2.

A chemical bond that forms when atoms share electrons is always a(n)

a)

polar bond

b)

ionic bond

c)

metallic bond

d)

covalent bond

3.

When two fluorine atoms share a pair of electrons, the bond that forms is a(n)

a)

Polar covalent bond

b)

Ionic bond

c)

Nonpolar covalent bond

d)

Double bond

4.

The compound with the formula SiCl4 is

a)

Silicon chloride

b)

Silicon chlorine

c)

Silicon(I) chloride

d)

Silicon tetrachloride

5.

Which type of solid is likely to be the best conductor of electric current?

a)

Ionic compound

b)

Covalent compound

c)

metal element

d)

nonmetal element

6.

AlPO4

a)

Aluminum Phosphorus Oxide

b)

Aluminum Phosphate

c)

Aluminum Phosphorus Tetraoxide

d)

Phosphorus Aluminumate

7.

Metallic bonds form bonds between

a)

Cations and protons

b)

Anions and protons

c)

Anions and electrons

d)

Cations and free electrons

8.

Name the following binary molecule:

SCl2

a)

Silicon dichlorine

b)

Silicon dichloride

c)

Sulfur dichloride

d)

Sulfur chloride

9.

Which type of bond results in a crystal lattice?

a)

metallic bond

b)

ionic bond

c)

nonpolar covalent bond

d)

polar covalent bond

10.

What happens to the charge on atoms when they form a polar covalent bond?

a)

the electrons are shared equally by each molecule

b)

the protons and electrons are shared equally by each molecule

c)

the attraction between the shared electrons causes the ends of the molecule to be positive

d)

the attraction between the shared electrons causes one end of the molecule to be positive and the other negative

11.

Name the following binary molecules:

LiCl2

a)

Lithium Chlorine

b)

Lithium Dichlorine

c)

Lithium Chloride

d)

Lithium Chlorine-ide

12.

Double bonds involve how many electrons?

a)

2

b)

4

c)

6

d)

8

13.

Single bonds involve how many electrons?

a)

2

b)

4

c)

6

d)

8

14.

electrons are permanently transferred from a metal to a nonmetal

a)

metallic bond

b)

ionic bond

c)

covalent bond

d)

ionization bond

15.

electrons are shared between atoms

a)

metallic bond

b)

ionic bond

c)

covalent bond

d)

ionization bond

16.

Name the following binary compound:

Ca(OH)2

a)

Calcium Hydrogen

b)

Calcium Oxide

c)

Calcium hydroxide

d)

Calcium Oxygen Hydroxide

17.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
18.

What do the dots represent on a dot diagram?

a)

number of electrons

b)

valence electrons

c)

number of protons

d)

number of shared electrons

19.

In the Lewis Dot Structure, how many dots should Fluorine have?

a)

3

b)

5

c)

7

d)

8

20.

K2SO4

a)

Potassium Sulfur Oxygen

b)

Kinser Sodium Tetraoxide

c)

Potassium Sulfate

d)

Dipotassium Sulfur Tetraoxide

21.
The bond between N & H.   Ionic or covalent?
a)
Ionic
b)
Covalent
22.
Which of the following gives the correct chemical formula for the compound Magnesium Phosphide?
a)
Mg2P3
b)
MgP
c)
Mg3P2
d)
MgP2
23.
Which of the following gives the correct chemical formula for the compound Calcium Nitride?
a)
Ca2N3
b)
CaN
c)
Ca3N2
d)
CaN2
24.
Which of the following gives the correct chemical formula for the compound Dinitrogen Monoxide?
a)
NO
b)
N2O
c)
N2O2
d)
O2N2
25.
What is the correct chemical name for the ionic compound:  Na2O
a)
Sodium oxide
b)
Sodium (II) oxide
c)
Disodium monoxide
d)
Disodium oxide
26.
What is the correct chemical name for the ionic compound: Fe3N2
a)
Iron nitride
b)
Iron (III) nitride
c)
Iron (II) nitride
d)
TriIron dinitride
27.
What is the correct chemical name for the ionic compound: CuS
a)
copper sulfide
b)
copper (I) sulfide
c)
copper (II) sulfide
d)
copper monosulfide
28.
What is the correct chemical name for the molecular compound:  CS2
a)
Carbon Sulfide
b)
Carbon diSulfide
c)
diCarbide diSulfide
d)
Carbon (II) Sulfide
29.
What is the correct chemical name for the molecular compound:  SF4
a)
Sulfur Fluoride
b)
Sulfur TetraFluoride
c)
TetraSulfide Fluoride
d)
Sulfur (IV) Fluoride
30.
What type of compound is CaF2?
a)
covalent
b)
ionic
c)
polar
d)
metallic
31.
Given the picture, what type of bond is  holding the atoms together in this molecule?
a)
polar covalent bond
b)
nonpolar covalent bond
c)
ionic bond
d)
metallic bond
32.
Which of the following gives the correct chemical formula for the compound Dinitrogen Monoxide?
a)
NO
b)
N2O
c)
N2O2
d)
O2N2
33.

What is the correct chemical name for the ionic compound: Fe3N2

a)

Iron nitride

b)

Iron (III) nitride

c)

Iron (II) nitride

d)

TriIron dinitride

34.

Titanium(IV) oxide has the formula

a)

Ti4O

b)

TiO4

c)

Ti(IV)O

d)

TiO2

e)

Ti4O2

35.

The substance ClO3– is best described as

a)

a molecule

b)

a polyatomic ion

c)

a polyatomic molecule

d)

a mixture

36.

What is the number of valence electrons for Calcium?

a)

1

b)

2

c)

3

d)

4

37.

What is the number of valence electrons for Neon and the other Noble Gases?

a)

5

b)

6

c)

7

d)

8

38.

If I was trying to determine if two atoms will bond, what would be helpful to know:

a)

Valence electrons, found by group number

b)

Whether the elements are metals or nonmetals

c)

The electronegativity of the atoms

d)

All of the above, all of which can be found on the Periodic Table

39.

Using electronegativities, what type of bond is formed by S and Br.

a)

ionic

b)

polar covalent

c)

non-polar covalent

40.

Using electronegativities, what type of bond is formed by Co and F.

a)

ionic

b)

polar covalent

c)

non-polar covalent

41.
What does the prefix tetra mean?
a)
1
b)
2
c)
3
d)
4
42.
What type of bond is illustrated above?
a)
Metallic
b)
Ionic
c)
Covalent
d)
Wiggly
43.

Which compound would be a good conductor only when in solution?

a)

aluminum

b)

sulfur dioxide

c)

ammonia

d)

sodium nitrate

44.

Which compound would have a very low melting point?

a)

sodium chloride

b)

copper (II) sulfate

c)

sulfur dioxide

d)

aluminum

45.

In a chemical formula for ionic compounds, the total positive charge and negative charge must add up to equal _____.

a)

0

b)

1

c)

2

d)

3

46.

When writing the chemical formula of a compound that contains more than one of a particular polyatomic ion, _____ must be used.

a)

ionic charges

b)

parenthesis

c)

Greek prefixes

d)

lower case letters.

47.

The acronym VSEPR stand for

a)

very strong electron pair repulsion.

b)

varied symmetry electrostatic proton reaction.

c)

venomous snakes enjoy pink ribbons.

d)

valence shell electron pair repulsion.

48.

VSEPR theory is used to predict

a)

the number of unshared pairs of electrons in a Lewis structure.

b)

the number of multiple bonds in a Lewis structure.

c)

the three-dimensional geometry of a molecule.

d)

the three-dimensional crystal lattice structure of ionic compounds.

49.

Any molecule with only two atoms must be linear. Three-atom molecules such as BeCl2 can also be linear. For linear molecules, the bond angle is

a)

360°360\degree

b)

180°180\degree

c)

120°120\degree

d)

90°90\degree

50.
What molecule could this be? 
a)
BF3
b)
CH4
c)
H2O
d)
CO2
51.
Who could this be? 
a)
CO2
b)
NH3
c)
H2S
d)
CH4
52.

What molecular geometry would PH3 have?

a)

Trigonal Pyramidal

b)

Trigonal Bipyramidal

c)

Bent

d)

Linear

53.

What shape would this have?

a)

Trigonal planar

b)

Pyramidal

c)

Tetrahedral

d)

Bent

54.
How many lone pairs are in this molecule's structure?
a)
6
b)
2
c)
0
d)
4
55.
According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?
a)
Pairs of valence electrons
b)
Inner shell electrons
c)
Mobile Electrons
d)
Electrons closest to the nucleus
56.
*
a)
linear
b)
trigonal planar
c)
trigonal pyramid
d)
bent of angular
57.
What is the measure of a tetrahedral bond angle?
a)
90 Degrees
b)
109.5 Degrees
c)
120 Degrees
d)
180 Degrees
58.

What shape is shown here?

a)

Octahedral

b)

Tetrahedral

c)

Trigonal bipyramidal

d)

Seesaw

59.

Identify the molecule structure

a)

Bent

b)

Linear

c)

Trigonal Planar

d)

Pyramidal

60.

3 atoms bonded and 0 lone pairs

a)

linear

b)

trigonal planar

c)

bent

d)

tetrahedral

e)

trigonal pyramidal

61.
What is the molecular shape of CH3Cl?
a)
trigonal pyramidal
b)
trigonal bipyramidal
c)
tetrahedral
d)
not enough information
62.
What molecular shape is the structure shown here? (H2O)
a)
tetrahedral
b)
trigonal planar
c)
bent
d)
trigonal pyramidal
63.
Valence electrons are the...
a)
Innermost electrons
b)
Middle electrons
c)
Outermost electrons
d)
Any electrons
64.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

65.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
66.
How many electrons can be used in the Lewis Structure for : NO3 -
a)
23
b)
20
c)
18
d)
24
67.
What is the correct structure for BF3?
a)
Option A.
b)
Option B. 
c)
Option C.
d)
Option D.
68.
How many valence electrons are available for bonding in the sulfate ion (SO4-2)?
a)
30 electrons
b)
32 electrons
c)
28 electrons
d)
impossible to tell
69.
How many electrons does each line indicate are shared?
a)
1
b)
2
c)
3
d)
4
70.

Which image could be a representation of NH3?

a)

A

b)

B

c)

C

71.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
72.
In CO2, how many UNSHARED pairs of electrons does each oxygen have?
a)
2
b)
1
c)
4
d)
6
73.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
74.

How many total valence electrons are participating in bonding in the molecule above?

a)

8

b)

4

c)

2

d)

3

75.

In HCN (Carbon is usually the central atom) what kind of bond is between the C and N

a)

Single

b)

Double

c)

Triple

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