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Bonding: Test Review

Total questions: 86

Worksheet time: 19hrs 54mins

Name
Class
Date
1.

Match the following shapes to their Names

a)
1.

Trigonal Planar

b)
2.

Tetrahedral

c)
3.

Trigonal Pyrimidal

d)
4.

Linear

e)
5.

Bent

2.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
3.
Which molecule would have this molecular geometry?
a)
BF3
b)
CH4
c)
PCl5
d)
CO2
4.
What molecule could this be? 
a)
BF3
b)
CH4
c)
H2O
d)
CO2
5.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
6.
Who could this be? 
a)
CO2
b)
NH3
c)
H2S
d)
CH4
7.
Who could this be?
a)
H2O
b)
NH3
c)
CO2
d)
CH4
8.
What molecular shape is the structure shown here? (BCl3)
a)
linear
b)
trigonal planar
c)
tetrahedral
d)
trigonal pyramidal
9.
What molecular shape is the structure shown here? (H2O)
a)
tetrahedral
b)
trigonal planar
c)
bent
d)
trigonal pyramidal
10.

Which Lewis Structure would be linear? Mark all that apply

a)
b)
c)
d)
11.

Which Structure has a different shape than the others?

a)
b)
c)
d)
12.

The VSEPR theory states that elections will

a)

try to move as far apart as possible

b)

form the fewest bonds possible

c)

have an equal number of bonds on all atoms

d)

Have larger bond angles to accommodate larger elements

13.
*
a)
trigonal pyramid
b)
linear
c)
bent
d)
angular
14.
SiCl4 has what shape?
a)
square planar
b)
square pyramidal
c)
tetrahedral
d)
octahedral
15.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
16.

Determine the molecular geometry of the given structure.

a)

Trigonal Pyramidal

b)

Trigonal Bipyramidal

c)

Trigonal Planar

d)

Tetrahedral

17.
*
a)
linear
b)
trigonal planar
c)
trigonal pyramid
d)
bent of angular
18.

What geometry will this molecular structure have? PH3

a)

bent

b)

tetrahedral

c)

linear

d)

trigonal pyramidal

19.

What geometry will this molecular structure have? H2S

a)

bent

b)

tetrahedral

c)

linear

d)

trigonal pyramidal

20.
Choose the correct shape for this molecule:
a)
Tetrahedral
b)
Trigonal pyramidal
c)
Bent
d)
Trigonal planar
21.
Choose the correct shape for this molecule:
a)
linear
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
22.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
23.

What are valence electrons?

a)

The innermost electrons

b)

The outermost electrons

24.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
25.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
26.

Which is the correct Lewis structure for carbon dioxide?

a)
b)
c)
d)
27.
 A lone pair is defined as
a)
A pair of bonding electrons
b)
One non-bonding electron
c)
A pair of non-bonding electrons
d)
A pair of electrons on the central atom
28.

NH3 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

29.

Choose the correct shape for this molecule:

a)

Trigonal planar

b)

Trigonal pyramidal

c)

Bent

d)

Tetrahedral

30.

What geometry will this molecular structure have?: PH3

a)

bent

b)

tetrahedral

c)

trigonal planar

d)

trigonal pyramidal

31.

What is the molecular shape of H2S?

a)

linear

b)

trigonal planar

c)

bent

d)

tetrahedral

32.

What is the correct shape of CHCl3?

a)

Bent

b)

Trigonal pyramidal

c)

Tetrahedral

d)

Trigonal planar

33.
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
34.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
35.
How many electrons should Lithium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
36.
How many electrons should Beryllium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
37.
How many electrons should Boron have around its Lewis dot model?
a)
1
b)
3
c)
5
d)
7
38.
How many electrons should Carbon have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
39.
How many electrons should Nitrogen have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
40.
How many electrons should Oxygen have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
41.
How many electrons should Flourine have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
42.
How many electrons should Neon have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
43.

How many valence electrons does Magnesium Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

44.

How many valence electrons does Aluminum Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

45.

How many valence electrons does Potassium Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

46.

How many valence electrons does Phosphorus Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

47.

What part of the atom does bonding involve?

a)

protons

b)

neutrons

c)

all electrons

d)

valence electrons

48.

In order to have a stable arrangement of 8 valence electrons, metal atoms are likely to _________electrons.

a)

gain electrons.

b)

lose electrons

c)

gain protons

d)

lose protons

49.

Valence electrons are found

a)

in the innermost energy level of an atom

b)

in the middle energy levels of an atom

c)

in the outermost energy levels of an atom

50.

When an atom loses an electron, it becomes a

a)

positive ion

b)

negative ion

c)

neutral ion

d)

neutral atom

51.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
52.
Why do elements bond?
a)
To be friends
b)
To create a new element
c)
To become stable
53.

Cations

a)

Gain electrons, has an overall positive charge

b)

Lose electrons, has an overall positive charge

c)

Lose electrons, has an overall negative charge

d)

Gain electrons, has an overall negative charge

54.

Anions

a)

Gain electrons, has an overall positive charge

b)

Lose electrons, has an overall positive charge

c)

Lose electrons, has an overall negative charge

d)

Gain electrons, has an overall negative charge

55.

What kind of bond forms between metals and nonmetals?

a)

Ionic Bonds

b)

Covalent Bonds

c)

Both bonds

d)

Neither bond

56.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
57.
How do the following two elements bond together?
Na1+  F1-         
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
58.
What formula results when Ca+2  and  Br- ions bond?
a)
Ca2Br2
b)
CaBr
c)
Ca(br)2
d)
CaBr2
59.

What kind of Ion does Aluminum form?

a)

Al+3Al^{+3}  

b)

Al−3Al^{-3}  

c)

Al−1Al^{-1}  

d)

Al+2Al^{+2}  

60.

A sodium ion has a charge of

a)

-1

b)

-2

c)

+1

d)

+2

61.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
62.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
63.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
64.
Mg2+ and Cl- create...
a)
Mg2Cl
b)
MgCl2
c)
Mg2Cl2
d)
MgCl
65.
Na +  and  S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
66.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
67.
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
68.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
69.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
70.
A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?
a)
1
1
b)
3
c)
4
d)
6
71.
The chemical bond formed when two atoms share electrons  is called a(an) IONIC bond. 
a)
True
b)
False
72.
Covalent bonds usually form when a nonmetal combines with a(an) METAL.
a)
True
b)
False
73.

What is a covalent bond?

a)

A covalent bond involves the transfer of electrons between atoms.

b)

A covalent bond is formed by the attraction of oppositely charged ions.

c)

A covalent bond is a type of ionic bond.

d)

A covalent bond is a chemical bond formed by the sharing of electron pairs between atoms.

74.

How do covalent bonds differ from ionic bonds?

a)

Covalent bonds involve metallic elements, while ionic bonds involve nonmetals.

b)

Ionic bonds share electrons; covalent bonds transfer electrons.

c)

Covalent bonds share electrons; ionic bonds transfer electrons.

d)

Covalent bonds are stronger than ionic bonds.

75.

Can you name a compound that is formed by ionic bonding?

a)

Methane (CH4)

b)

Sodium chloride (NaCl)

c)

Carbon dioxide (CO2)

d)

Water (H2O)

76.

When you have Br-Br, what is the polarity?

a)

Polar

b)

nonpolar

c)

Ionic

77.

When you have H-Cl, what is the polarity?

a)

nonpolar

b)

polar

c)

ionic

78.

When you have Li-O, what is the polarity?

a)

nonpolar

b)

polar

c)

ionic

79.

When you have Be-F, what is the polarity?

a)

nonpolar

b)

polar

c)

ionic

80.

When you have Si-O, what is the polarity?

a)

nonpolar

b)

polar

c)

ionic

81.

When you have F-F, what is the polarity?

a)

nonpolar

b)

polar

c)

ionic

82.

To which term of reference does the following description refer to?

"an unequal distribution of an electrical charge"

a)

Polar

b)

Nonpolar

c)

Both

83.

Does the following reference Polar, Nonpolar, or both:

"equal sharing of electrons"?

a)

Polar

b)

Nonpolar

c)

Both

84.

The electrons in a polar covalent molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above

85.

The electrons in a nonpolar covalent molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above

86.

The electrons in an ionic molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above