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PAP Chemistry Bonding Review

Total questions: 40

Worksheet time: 1hrs 16mins

Name
Class
Date
1.
When electrons are transfered from cations to anions a ________ bond is formed
a)
Polar covalent
b)
Nonpolar covalent
c)
Ionic
d)
Metallic
2.
If atoms that are sharing electrons have an unequal attraction for the electrons it is a ____
a)
Ionic bond
b)
Nonpolar covalent bond
c)
Polar covalent bond
d)
Metallic bond
3.
Of these 3 molecules, which has polar covalent bonding?
a)
O2
b)
NaI2
c)
HBr
d)
MgO
4.
Which of these molecules is nonpolar?
a)
O2
b)
H2O
c)
HBr
d)
NI3
5.
Which of these molecules has nonpolar covalent bonding?
a)
H2O
b)
HCl
c)
I2
d)
NaCl
6.

According to VSEPR theory the MOLECULAR GEOMETRY of BBr3 is____

a)

trigonal planar

b)

tetrahedral

c)

trigonal pryamidal

d)

bent

7.

According to VSEPR theory the ELECTRON GEOMETRY of H2S is ____

a)

trigonal planar

b)

tetrahedral

c)

trigonal pryamidal

d)

bent

8.

According to VSEPR theory the MOLECULAR GEOMETRY of SiH4 is ____

a)

trigonal planar

b)

tetrahedral

c)

trigonal pyramidal

d)

bent

9.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
10.
What is the correct structure for BF3?
a)
Option A.
b)
Option B. 
c)
Option C.
d)
Option D.
11.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
12.

How many total valence electrons are participating in bonding in the molecule above?

a)

8

b)

4

c)

2

d)

3

13.

CO2 has how many lone pairs ON CARBON?

a)

0

b)

1

c)

2

d)

3

e)

4

14.

CCl4 has how many double bonds?

a)

0

b)

1

c)

2

d)

3

15.

In HCN (Carbon is usually the central atom) what kind of bond is between the C and N

a)

Single

b)

Double

c)

Triple

16.

Which of the following elements are an exception to the octet rule and require less than 8 valence electrons?

a)

H

b)

Li

c)

Be

d)

B

e)

C

17.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
18.
What is the first thing you need to do when drawing Lewis Structures?
a)
Draw your bonds
b)
Count the number of valence electrons
c)
Subtract to make the valence number even
d)
Add to make the valence number even
19.
In a Lewis structure, what do you do  with the total number of valence if your ion is 2- charged?
a)
Add 2 to the valence number
b)
Subtract 2 from the valence number
c)
Multiply the valence number by 2
d)
Divide the valence number by 2
20.

How many valence electrons are in the compound N2O?

(a)  

21.

Why is this Lewis Structure incorrect? Select all that appy.

a)

There should be a single bond between H and C.

b)

There should be a triple bond between C and N.

c)

Carbon has too many bonds around it.

d)

Hydrogen needs more electrons.

22.

Given the electronegativity value; Q=0.8, R = 1.0, S = 3.0, T = 3.4, which pair of atoms has the highest tendency to form covalent bond?

a)

S and R

b)

T and S

c)

R and T

d)

Q and S

23.

According to VSEPR Theory, what is the ELECTRON GEOMETRY of the given molecule?

a)

Trigonal Planar

b)

Tetrahedral

c)

Trigonal Pyramidal

d)

Trigonal Bipyramidal

24.

According to VSEPR theory the MOLECULAR GEOMETRY of H2S is ____

a)

trigonal planar

b)

tetrahedral

c)

trigonal pryamidal

d)

bent

25.

Select the correct Lewis Structure for CO2:

a)

A

b)

B

c)

C

d)

D

26.

How many LONE PAIRS are in CO2?

a)

0

b)

4

c)

6

d)

8

27.

How many BONDING PAIRS are in CO2?

a)

1

b)

2

c)

3

d)

4

28.

Select the correct Lewis Structure for SO42-:

a)

A

b)

B

c)

C

d)

D

29.

How many ELECTRON PAIRS are in SO42-?

a)

4

b)

16

c)

32

d)

64

30.

Select the correct Lewis Structure for ICl3:

a)

A

b)

B

c)

C

d)

D

31.

How many VALENCE ELECTRONS are in ICl3?

a)

14

b)

28

c)

56

d)

112

32.

According to VSEPR, what is the MOLECULAR GEOMETRY of ICl3?

a)

T-Shaped

b)

Trigonal Bipyramidal

c)

Trigonal Pyramidal

d)

Tetrahedral

33.

According to VSEPR, what is the CP value for CO2?

a)

2

b)

3

c)

4

d)

5

34.

How many total valence electrons are NOT participating in bonding in the molecule above?

a)

8

b)

4

c)

2

d)

3

35.

According to VSEPR, what is the ELECTRON GEOMETRY of ICl3?

a)

T-Shaped

b)

Trigonal Bipyramidal

c)

Trigonal Pyramidal

d)

Tetrahedral

36.

What is the difference in electronegativity between Br and Ag?

a)

1.03

b)

1.93

c)

2.03

d)

2.96

37.

What is the difference in electronegativity between Iodine and Nitrogen?

a)

0.38

b)

1.93

c)

2.66

d)

3.04

38.

Based on the difference in electronegativity values, what kind of bond would exist between Arsenic and Mercury?

a)

Ionic Bond

b)

Polar Covalent Bond

c)

Nonpolar Covalent Bond

39.

Based on the difference in electronegativity values, what kind of bond would exist between Carbon and Fluorine?

a)

Ionic Bond

b)

Polar Covalent Bond

c)

Nonpolar Covalent Bond

40.

Based on the difference in electronegativity values, what kind of bond would exist between Cesium and Sulfur?

a)

Ionic Bond

b)

Polar Covalent Bond

c)

Nonpolar Covalent Bond

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