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CHAPTER 6 - CHEMICAL BONDING

Total questions: 44

Worksheet time: 27mins

Name
Class
Date
1.

Ionic bonds form between ---

a)

nonmetals.

b)

metals and nonmetals.

2.

Covalent bonds form between ---

a)

nonmetals.

b)

metals and metals

c)

metals and nonmetals

3.

What are valence electrons?

a)

sum of the protons and neutrons

b)

protons minus electrons

c)

electrons in the inner shells

d)

electrons in the outer shell

4.

Atoms that gain an electron have an electric charge of ---

a)

-1.

b)

-2.

c)

+1.

d)

+2.

5.

Atoms form compounds to become more ---

a)

reactive

b)

stable

c)

explosive

d)

toxic

6.

Atoms gain lose, gain, or ______electrons to get a stable outer energy level.

a)

share

b)

split

c)

create

d)

destroy

7.

Which of the following is NOT a covalent bond?

a)

K2S

b)

H2O

c)

I2

d)

CO2

8.

An atom of Neon complies with the Octet Rule because it has ___ electrons in its outer shell.

a)

10

b)

8

c)

2

d)

7

9.
Determine the type of bond in an oxygen molecule (O2). HINT: Use (IE - AE)/2 = # of bonds.
a)
Double covalent
b)
Single covalent
c)
Ionic
d)
Triple covalent
10.
Determine the type of bond in a nitrogen molecule (N2). HINT: Use (IE - AE)/2 = # of bonds.
a)
Double covalent
b)
Single covalent
c)
Ionic
d)
Triple covalent
11.
Determine the type of bond in a hydrogen molecule (H2). HINT: Use (IE - AE)/2 = # of bonds.
a)
Double covalent
b)
Single covalent
c)
Ionic
d)
Triple covalent
12.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
13.
A Lewis structure can be used for showing an ionic bond but instead for dashes for the bonds positive and negative _____ are represented.
a)
atoms
b)
ions
c)
molecules
d)
electrons
14.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
15.
How many electrons can be used in the Lewis Structure for : NO3 -
a)
23
b)
20
c)
18
d)
24
16.
What is the correct structure for BF3?
a)
Option A.
b)
Option B. 
c)
Option C.
d)
Option D.
17.
How many valence electrons are available for bonding in the sulfate ion (SO4-2)?
a)
30 electrons
b)
32 electrons
c)
28 electrons
d)
impossible to tell
18.
How many valence electrons are in Phosphorus?
a)
15
b)
4
c)
5
d)
31
19.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
20.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
21.
This is the correct dot diagram for nitrogen (N)
a)
true
b)
false
22.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

23.

What is the goal of the Lewis Dot Structure?

a)

To determine the electron position.

b)

To show the element's valence electrons & bonding capabilities.

c)

To find the atomic mass of an element.

d)

To search for the number of electrons in an individual atom.

24.

How many valence electrons should Lithium have in its Lewis dot model?

a)

1

b)

2

c)

3

d)

4

25.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false

26.

How would you draw a Lewis dot diagram for Magnesium?

a)
b)
c)
d)
27.
How many electrons does each line indicate are shared?
a)
1
b)
2
c)
3
d)
4
28.

What is the correct Lewis structure for NH3?

a)
b)
c)
d)
29.

Which is the correct Lewis structure for carbon dioxide?

a)
b)
c)
d)
30.
What is the correct formula for this molecule?
a)
Si4F
b)
SiF4
c)
SiF
d)
Si4F4
31.

Metals make _____ ions.

a)

positive

b)

negative

c)

neutral

32.

Nonmetals will make _____ions.

a)

positive

b)

negative

c)

neutral

33.

How many valence electrons are in the compound N2O?

a)
16
b)

17

c)

18

d)

19

34.

The correct Lewis dot symbol is

a)

A

b)

B

c)

C

d)

D

35.

Choose the correct Lewis dot symbol for N (Z = 7)

a)

A

b)

B

c)

C

d)

D

36.
An ionic bond results due to the __________ attraction between 2 oppositely charged ions.
a)
delocalized
b)
weird
c)
electrostatic
d)
ionization
37.

How many double bond in a molecule of CO2?

a)

0

b)

1

c)

2

d)

4

38.

NH3 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

39.

CCl4 has how many double bonds?

a)

0

b)

1

c)

2

d)

3

40.

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

a)

Single

b)

Double

c)

Triple

41.

Single Bond is shorter than Triple bond

a)

TRUE

b)

FALSE

42.

Triple Bond is stronger than Double Bond.

a)

TRUE

b)

FALSE

43.

Identify the type of bonding for LiF.

a)

Ionic bond

b)

Covalent Bond

c)

Dative Bond

d)

Coordinate Bond

44.

Identify the type of bonding for fluorine gas.

a)

Ionic bond

b)

Covalent Bond

c)

Dative Bond

d)

Coordinate Bond

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