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Worksheets

Lewis Dot Structures

Total questions: 20

Worksheet time: 28mins

Name
Class
Date
1.
How many electrons should Lithium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
2.

Boron has 3 valence electrons but it wants a full shell, what charge does it like to form?

a)

3-

b)

3+

c)

5-

d)

5+

3.
How many electrons should Carbon have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
4.

Nitrogen has 5 valence electrons but wants a full shell. What charge does nitrogen tend to form?

a)

5+

b)

5-

c)

3+

d)

3-

5.

Oxygen has 6 valence electrons but wants a full shell. What charge does nitrogen tend to form?

a)

6+

b)

2-

c)

6-

d)

2+

6.

Fluorine, like all halogens, has 7 valence electrons but wants a full shell. What charge will fluorine make?

a)

7+

b)

7-

c)

1-

d)

1+

7.

This is a correct dot diagram for oxygen (O)?

a)

true

b)

false

8.

What element does this Lewis Dot Digram represent?

a)

Li

b)

Al

c)

C

d)

Be

9.

Which Lewis Dot Diagram would represent Chlorine?

a)
b)
c)
d)
10.

This could be the dot diagram of

a)

Si

b)

Br

c)

B

d)

S

11.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false

12.
This is the correct dot diagram for nitrogen, group 15.
a)
true
b)
false
13.

How would you draw a Lewis dot diagram for Magnesium?

a)
b)
c)
d)
14.

Which of the following shows a correct Lewis dot structure?

a)
b)
c)
d)
15.

What charge would fluorine form?

a)

1-

b)

1+

c)

7+

d)

7-

e)

8

16.

The octet rule means that all valence shells want to have the number......

a)

1

b)

9

c)

8

d)

16

17.

What charge does this atom form to get a full valence shell?

a)

6-

b)

6+

c)

8

d)

2-

e)

2+

18.

What charge does Nitrogen want to form to have a full valance shell?

a)

5+

b)

5-

c)

8

d)

3-

e)

3+

19.

This is a correct dot diagram for carbon (C)

a)

true

b)

false

20.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O