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WorksheetsVSEPR THEORY
Total questions: 17
Worksheet time: 4hrs 15mins
Name
Class
Date
1.
What is the ELECTRONIC geometry of the following?
a)
Linear
b)
Trigonal planar
c)
Tetrahedral
d)
Trigonal Bipyramidal
2.
What is the MOLECULAR geometry of the central oxygen?
a)
Linear
b)
Trigonal Planar
c)
Bent
d)
Tetrahedral
3.
What is the best explanation of VSEPR theory?
a)
It explains the shapes that electrons make around atoms when they repel
b)
It explains how many electrons fit into an element's valent shell
c)
It explains why electrons pair up
d)
It explains why electrons repel each other
4.
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
5.
Which molecule would have this molecular geometry?
a)
BF3
b)
CH4
c)
PCl5
d)
CO2
6.
What molecule could this be?
a)
H2O
b)
CCl4
c)
PCl5
d)
NaCl
7.
Who could this be?
a)
CO2
b)
NH3
c)
H2S
d)
CH4
8.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
9.
Who could this be?
a)
H2O
b)
NH3
c)
CO2
d)
CH4
10.
How many electrons are shared in a triple bond?
a)
6
b)
3
c)
6 pairs
d)
5
11.
The following species are exception to octet rule EXCEPT
a)
I3 −
b)
NH4 +
c)
XeF4
d)
SF4
12.
The following species can form resonance structures EXCEPT
a)
SO2
b)
CO3 2−
c)
CHO2 −
d)
H2O
13.
Consider the molecule below. Determine the molecular geometry at each of the 2 labeled carbons.
a)
C1 = tetrahedral, C2 = linear
b)
C1 = trigonal planar, C2 = bent
c)
C1 = bent, C2 = trigonal planar
d)
C1 = trigonal planar, C2 = tetrahedral
14.
What is the bond angle for the CH4 molecule?
a)
120°
b)
107°
c)
109.5°
d)
90°
15.
Will this molecule be polar or nonpolar? PH3
a)
polar
b)
nonpolar
16.
What is the molecular shape of a silicon dioxide molecule?
a)
linear
b)
trigonal planar
c)
bent
d)
tetrahedral
17.
How many lone pairs are in this molecule's structure?
a)
6
b)
2
c)
0
d)
4
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