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Worksheets

Molecular Geometry

Total questions: 73

Worksheet time: 1hrs 25mins

Name
Class
Date
1.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Linear
2.
Choose the correct shape for this molecule:
a)
Bent
b)
Trigonal pyramidal
c)
Trigonal planar
d)
Linear
3.
Choose the correct shape for this molecule:
a)
linear
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
4.
In covalent bonds, electrons are ___________.
a)
transferred
b)
gained
c)
lost
d)
shared
5.
How many electrons should Oxygen have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
6.
 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
7.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
8.
Choose the correct shape for this molecule:
a)
Bent
b)
Linear
c)
Tetrahedral
d)
Trigonal pyramidal
9.

Which best describes a triple bond?

a)

3 shared pairs of electrons

b)

3 shared electrons

c)

a central electron with 3 atoms bonded around it

10.
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
11.

What is MOLECULAR GEOMETRY of this molecule?

a)

Bent

b)

Trigonal Pyramidal

c)

Tetrahedral

d)

Linear

12.

What is MOLECULAR GEOMETRY of this molecule?

a)

Bent

b)

Trigonal Pyramidal

c)

Tetrahedral

d)

Linear

13.

What is MOLECULAR GEOMETRY of this molecule?

a)

Bent

b)

Trigonal Pyramidal

c)

Tetrahedral

d)

Linear

14.

What is MOLECULAR GEOMETRY of this molecule?

a)

Bent

b)

Trigonal Pyramidal

c)

Tetrahedral

d)

Linear

15.

What is MOLECULAR GEOMETRY of this molecule?

a)

Bent

b)

Trigonal Pyramidal

c)

Tetrahedral

d)

Octahedral

16.

What is MOLECULAR GEOMETRY of this molecule?

a)

Linear

b)

Trigonal Pyramidal

c)

Tetrahedral

d)

Octahedral

17.

What is MOLECULAR GEOMETRY of this molecule?

a)

Linear

b)

Trigonal Pyramidal

c)

Tetrahedral

d)

Octahedral

18.

What is MOLECULAR GEOMETRY of this molecule?

a)

Linear

b)

See-saw

c)

Tetrahedral

d)

Octahedral

19.

What is MOLECULAR GEOMETRY of this molecule?

a)

Linear

b)

See-saw

c)

Square Planar

d)

Octahedral

20.

What is MOLECULAR GEOMETRY of this molecule?

a)

Linear

b)

See-saw

c)

Square Pyramidal

d)

Octahedral

21.

What is MOLECULAR GEOMETRY of this molecule?

a)

Linear

b)

T-Shaped

c)

Square Pyramidal

d)

Octahedral

22.

What is MOLECULAR GEOMETRY of this molecule?

a)

Trigonal Pyramidal

b)

T-Shaped

c)

Square Pyramidal

d)

Octahedral

23.

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)

90°

b)

180°

c)

108°

d)

120°

24.

Which molecule would have this molecular geometry?

a)

BF3

b)

CH4

c)

PCl5

d)

CO2

25.

What molecular geometry would PH3 have?

a)

Trigonal Pyramidal

b)

Trigonal Bipyramidal

c)

Linear

d)

Bent

26.

A molecular geometry with 2 lone pairs and 4 bonding pairs is

a)

Tetrahedral

b)

Trigonal Bipyramidal

c)

Square Planar

d)

Square Pyramidal

27.
Who could this be? 
a)
CO2
b)
NH3
c)
H2S
d)
CH4
28.

To determine the molecular geometry of a compound by using VSEPR theory, double bond and triple bonds are considered as

a)

two or three bonding pairs

b)

two bonding pairs

c)

five bonding pairs

d)

one bonding pair

29.

Classify the above molecule.

a)

Polar

b)

Non polar

30.

Why is the molecule polar?

a)

There is a non bonding pair electrons on the central atom.

b)

There are different types of elements bonded to the central atom.

c)

There are no non bonding pairs on the central atom and all of the atoms bonded to the central atom are the same.

31.

Which of the following pairs has the same molecular geometry?

a)

BF3 and PCl3

b)

PCl3 and NBr3

c)

NBr3 and AlCl3

d)

BeCl2 and O3

32.

For CS2, determine its shape and polarity

a)

Linear, Polar molecule

b)

Linear, Non polar molecule

c)

V-shaped, Polar molecule

d)

V-shaped, Non polar molecule

33.

Predict the shape and bond angle for IF4+

a)

Tetrahedral

109.5

b)

Square planar

90

c)

See Saw

<120, < 90

d)

Trigonal bipyramidal,

120, 90

34.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Tetrahedral
d)
Linear
35.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
36.
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
37.

The geometry of a molecule with 4 bonded pairs of electrons and 0 lone pairs of electrons, AB4

a)

Tetrahedral

b)

Trigonal Planar

c)

Bent

d)

Trigonal Pyramidal

e)

Linear

38.

The geometry of a molecule with 2 bonded pairs of electrons and 2 lone pairs of electrons, AB2E2

a)

Tetrahedral

b)

Trigonal Planar

c)

Bent

d)

Trigonal Pyramidal

e)

Linear

39.
*
a)
trigonal pyramid
b)
linear
c)
bent
d)
angular
40.
*
a)
linear
b)
trigonal planar
c)
trigonal pyramid
d)
bent of angular
41.

What is the molecular shape of the following?

a)

T-Shape

b)

See-Saw

c)

Trigonal Planar

d)

Octahedral

42.

What is the molecular shape of the following?

a)

Hexahedral

b)

Square Pyramid

c)

Octahedral

d)

T-Shape

43.

What is the shape of the following molecular structure?

a)

Trigonal Pyramidal

b)

Trigonal Planar

c)

T-Shape

d)

Tetrahedral

44.
How many electrons can be used in the Lewis Structure for : NO3 -
a)
23
b)
20
c)
18
d)
24
45.
What is the measure of a tetrahedral bond angle?
a)
90 Degrees
b)
109.5 Degrees
c)
120 Degrees
d)
180 Degrees
46.
What geometry will this molecular structure have?: H2S
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
47.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
48.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
49.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
50.
Choose the correct shape for this molecule:
a)
Bent
b)
Trigonal pyramidal
c)
Tetrahedral
d)
Trigonal planar
51.

What is the correct shape of CHCl3?

a)

Bent

b)

Trigonal pyramidal

c)

Tetrahedral

d)

Trigonal planar

52.

What molecule could this be? (Each purple cloud represents a lone pair of electrons.)

a)

CO2

b)

NH3

c)

H2S

d)

CH4

53.

What molecule could this be? (The purple cloud represents a lone pair of electrons.)

a)

H2O

b)

NH3

c)

CO2

d)

CH4

54.
SiClhas what shape?
a)
square planar
b)
square pyramidal
c)
tetrahedral
d)
octahedral
55.
What is the shape of H2O?
a)
linear
b)
tetrahedral
c)
bent
d)
trigonal pyramidal
56.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
57.

Describe the shape of the molecule.

a)

linear

b)

bent

c)

trigonal pyramidal

d)

tetrahedral

58.

Describe the shape of the molecule.

a)

linear

b)

bent

c)

trigonal pyramidal

d)

tetrahedral

59.

What geometry will this molecular structure have? PH3

a)

bent

b)

tetrahedral

c)

linear

d)

trigonal pyramidal

60.

Is this molecule polar or non-polar?

a)

Non-polar

b)

Polar

61.

Determine the molecular geometry of the given structure.

a)

Octahedral

b)

Square Pyramidal

c)

Trigonal Bipyramidal

d)

See Saw

62.

What is the shape of the following molecular structure?

a)

Trigonal Pyramidal

b)

Trigonal Planar

c)

T-Shape

d)

Tetrahedral

63.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
64.

What shape would this have?

a)

Trigonal planar

b)

Pyramidal

c)

Tetrahedral

d)

Bent

65.
What molecular shape is the structure shown here? (BeCl2)
a)
linear
b)
bent
c)
trigonal planar
d)
tetrahedral
66.

Identify the molecule structure

a)

Bent

b)

Linear

c)

Trigonal Planar

d)

Pyramidal

67.
How many lone pairs are in this molecule's structure?
a)
6
b)
2
c)
0
d)
4
68.
What geometry will this molecular structure have?: CCl4
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
69.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
70.
What is the correct formula for this molecule?
a)
Si4F
b)
SiF4
c)
SiF
d)
Si4F4
71.

Which of the following compounds has only single bonds?

a)

I only

b)

II only

c)

III only

d)

I and III

e)

III and IV

72.

NH3 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

73.

CCl4 has how many double bonds?

a)

0

b)

1

c)

2

d)

3