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VSEPR Review

Total questions: 10

Worksheet time: 19mins

Name
Class
Date
1.

According to VSEPR theory, atoms and unshared pairs orient themselves so that

a)

they are all in the same plane.

b)

they are at 90 degree angles.

c)

they are as close to each other as possible.

d)

they are as far apart as possible.

2.
 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
3.

Which of the following shapes has an unshared pair of electrons on the central atom?

a)

linear

b)

trigonal pyramidal

c)

trigonal planar

d)

tetrahedral

4.

Which molecule shape has three atoms bonded to the central atom and no unshared pairs on the central atom?

a)

tetrahedral

b)

trigonal pyramidal

c)

trigonal planar

d)

bent

5.

Draw the Lewis structure for CF4 and determine its molecular shape.

a)

trigonal planar

b)

trigonal pyramidal

c)

bent

d)

tetrahedral

6.

Which of the following molecular shape is bent?

a)

SCl2

b)

CO2

c)

PH3

d)

NCl3

7.

Choose the correct molecular shape for SO3.

a)

trigonal planar

b)

trigonal pyramidal

c)

bent

d)

tetrahedral

8.

What molecular shape would CS2 have?

a)

linear

b)

trigonal pyramidal

c)

trigonal planar

d)

tetrahedral

9.

What molecular geometry would PBr3 have?

a)

trigonal pyramidal

b)

trigonal planar

c)

tetrahedral

d)

linear

10.

Choose the correct molecular shape for NH4+.

a)

trigonal planar

b)

trigonal pyramidal

c)

bent

d)

tetrahedral