WorksheetsPostLab Expt 4
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Choose the correct shape for this molecule:
a)
Bent
b)
Trigonal pyramidal
c)
Trigonal planar
d)
Linear
2.
Choose the correct shape for this molecule:
a)
linear
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
3.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
4.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
5.
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.
6.
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.
7.
What shape would this have?
a)
Trigonal planar
b)
Pyramidal
c)
Tetrahedral
d)
Bent
8.
How many lone pairs are in this molecule's structure?
a)
6
b)
2
c)
0
d)
4
9.
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
10.
What shape is shown here?
a)
Octahedral
b)
Tetrahedral
c)
Trigonal bipyramidal
d)
Seesaw
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