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Molecular Shapes and Polarity Concepts SSP

Total questions: 22

Worksheet time: 33mins

Name
Class
Date
1.

CO2 has polar bonds but is a NON POLAR molecule. Why?

a)

it has an asymmetrical shape

b)

bond polarity or dipole moment between C and O atoms cancel

c)

there is net dipole moment between C and O atoms in molecule

d)

bond polarity does not exist between C+ and O- atoms

2.

Does the following reference Polar, Nonpolar, or both:

"electronegativity values are the same"?

a)

Polar

b)

Nonpolar

c)

Both

3.

Is this molecule polar or nonpolar?

a)

polar

b)

nonpolar

4.
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
5.
In a polar bond, the more electronegative element will assume a partial ________ charge.
a)
positive
b)
negative
6.

Type of bond between Br & Br

a)

Ionic

b)

Polar Covalent

c)

Nonpolar Covalent

7.
Which molecule contains bonds with a GREATER polarity?
a)
HCl
b)
CCl4
8.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
9.
What molecule could this be? 
a)
BF3
b)
CH4
c)
H2O
d)
CO2
10.

What is the shape? Hint: Draw the Lewis dot structure for NH3.

a)

tetrahedral

b)

trigonal pyramidal

c)

trigonal planar

d)

bent

11.
What is the shape of H2O?
a)
linear
b)
tetrahedral
c)
bent
d)
trigonal pyramidal
12.

SiCl4 has what shape?

a)

trigonal planar

b)

pyramidal

c)

tetrahedral

d)

trigonal pyramidal

13.

3 atoms bonded and 0 lone pairs

a)

linear

b)

trigonal planar

c)

bent

d)

tetrahedral

e)

trigonal pyramidal

14.

3 atoms bonded and 1 lone pairs

a)

true linear

b)

trigonal planar

c)

bent

d)

tetrahedral

e)

trigonal pyramidal

15.
How many electrons does each line indicate are shared?
a)
1
b)
2
c)
3
d)
4
16.

Select the structure with a lone pair on the central atom.

a)

b)

c)

d)

17.

CCl4 has how many double bonds?

a)

0

b)

1

c)

2

d)

3

18.
What is the correct structure for BF3?
a)
Option A.
b)
Option B. 
c)
Option C.
d)
Option D.
19.

What molecular geometry does NH3 have?

a)

Bent

b)

Tetrahedral

c)

Trigonal planar

d)

Trigonal pyramidal

20.

What is true of both trigonal pyramidal and bent geometries?

a)

They both have lone pairs on the central atom

b)

They both involve a total of 3 atoms in the molecule

c)

They both have no lone pairs on the central atom

d)

They both involve a total of 4 atoms in the molecule

21.

What molecular geometry would this molecule have?

a)

Trigonal planar

b)

Trigonal pyramidal

c)

Bent

d)

Linear

22.

What molecular geometry would this molecule have?

a)

Linear

b)

tetrahedral

c)

Trigonal planar

d)

Trigonal pyramidal

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