WorksheetsValence Electrons and Lewis Dot Structures
Total questions: 15
Worksheet time: 14mins
Name
Class
Date
1.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
2.
This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?
a)
3
b)
4
c)
5
3.
How many valence electrons does Tin (Sn) have?
a)
8
b)
7
c)
5
d)
4
4.
How many valence electrons does Lithium (Li) have?
a)
8
b)
1
c)
5
d)
2
5.
How many valence electrons does Bromine (Br) have?
a)
5
b)
6
c)
7
d)
8
6.
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
7.
How many electrons can the first shell hold?
a)
2
b)
4
c)
6
d)
8
8.
Which of the following has a full valence shell?
a)
Oxygen
b)
Neon
c)
Barium
d)
Carbon
9.
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.
10.
According to the diagram below, how many bonds will this atom be able to make?
a)
1
b)
2
c)
3
d)
4
11.
This is a correct dot diagram for neon (Ne)
a)
true
b)
false
12.
Which of these is incorrect?
a)
b)
13.
Most elements will gain or lose electrons so that they end up with _______ valence electrons.
a)
2
b)
6
c)
8
d)
10
14.
Which of these is correct?
a)
b)
c)
15.
This could be the dot diagram of
a)
Ne
b)
Si
c)
Al
d)
Be
100 %
