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Valence Electrons and Lewis Dot Structures

Total questions: 24

Worksheet time: 24mins

Name
Class
Date
1.

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

a)

3

b)

4

c)

5

2.

How many valence electrons does Tin (Sn) have?

a)

8

b)

7

c)

5

d)

4

3.

How many valence electrons does Lithium (Li) have?

a)

8

b)

1

c)

5

d)

2

4.

How many valence electrons does Bromine (Br) have?

a)

5

b)

6

c)

7

d)

8

5.
Valence electrons are: 
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
d)
Electrons in the second shell
6.
Which of the following has a full valence shell?
a)
Oxygen
b)
Neon
c)
Barium
d)
Carbon
7.
What is a valence electron?
a)
an electron that is found in the outermost shell of an atom. 
b)
an electron found in the innermost shell of an atom.
c)
an electron found in the middle shell.
8.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false

9.

Which of these is incorrect?

a)
b)
10.
Most elements will gain or lose electrons so that they end up with _______ valence electrons.
a)
2
b)
6
c)
8
d)
10
11.

Which of these is correct?

a)
b)
c)
12.
This could be the dot diagram of 
a)
Ne
b)
Si
c)
Al
d)
Be
13.

How many valence electrons does Hydrogen Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

14.

How many valence electrons does Helium Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

15.

How many valence electrons does Nitrogen Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

16.
This is the correct dot diagram for sodium (Na)
a)
true
b)
false
17.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
18.
This is a correct dot diagram for nitrogen (N)
a)
true
b)
false
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
21.
This could be the dot diagram of
a)
O
b)
B
c)
Li
d)
Ne
22.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
23.

This is a Bohr Diagram of Neon. How many valence electrons does Neon have?

a)

2

b)

4

c)

6

d)

8

24.

How would you draw a Lewis dot diagram for Magnesium?

a)
b)
c)
d)

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