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WorksheetsVsper Theory
Total questions: 23
Worksheet time: 19mins
Name
Class
Date
1.
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
2.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
3.
Shape?
a)
trigonal planar
b)
tetrahedral
c)
bent
d)
linea
4.
Shape?
a)
tetraheedral
b)
trigonal planar
c)
trigonal pyramidal
d)
bent
5.
What molecule could this be?
a)
trigonal planar
b)
trigonal pyramidal
c)
bent
d)
linear
6.
Shape?
a)
bent
b)
trigonal pyramidal
c)
tetrahedral
d)
linear
7.
Shape?
a)
trigonal planar
b)
trigonal pyramidal
c)
bent
d)
linear
8.
Which shapes are altered by unshared pairs of electrons?
a)
Bent and Pyramidal
b)
Trigonal Planar and Bent
c)
Tetrahedram and Bipyramidal
d)
Pyramidal and Linear
9.
How many unshared pairs of electrons will a bent molecule have?
a)
0
b)
2
c)
3
d)
4
10.
How many unshared pairs of electrons will a pyramidal molecule have?
a)
1
b)
2
c)
3
d)
4
11.
Will this molecule be polar or nonpolar? PH3
a)
polar
b)
nonpolar
12.
Will this molecule be polar or nonpolar? CS2
a)
polar
b)
nonpolar
13.
*
a)
linear
b)
trigonal planar
c)
trigonal pyramid
d)
bent of angular
14.
What molecular shape is the structure shown here? (H2O)
a)
tetrahedral
b)
trigonal planar
c)
bent
d)
trigonal pyramidal
15.
Three pairs of electrons are shared in a
a)
Single bond
b)
Double bond
c)
Triple bond
16.
What is the name of the molecular geometry for this Lewis Structure?
a)
trigonal planar
b)
trigonal pyramidal
c)
tetrahedral
d)
bent
17.
Identify this molecule structure
a)
Bent
b)
Tripostular
c)
Trigonal Planar
d)
Bipyramidal
18.
Identify the molecule structure
a)
Pyramidal
b)
Bent
c)
Straight
d)
Linear
19.
VSEPR stands for
a)
Valid Shell Electricity Program Remedy
b)
Valence Shell Electron Pair Repulsion
c)
Velocity Sustaining Electron Proton Review
d)
Valence Shell Electricity Proximal Repulsion
20.
A bond where electrons are NOT shared equally?
a)
polar covalent
b)
nonpolar covalent
21.
A bond where electrons are shared equally?
a)
polar covalent
b)
nonpolar covalent
22.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
23.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
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