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WorksheetsIonic and Covalent Bonds
Total questions: 20
Worksheet time: 43mins
Name
Class
Date
1.
Why do all bonds form?
a)
so the number of protons equals the number of electrons
b)
so an atom can become unstable
c)
to fill the outermost energy level
2.
Valence electrons are found
a)
in the innermost energy level of an atom
b)
in the middle energy levels of an atom
c)
in the outermost energy levels of an atom
3.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
4.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
5.
Atoms are most stable when their outer shell is complete.
a)
true
b)
false
6.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
7.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
8.
Why do elements bond?
a)
To be friends
b)
To create a new element
c)
To become stable
9.
What is a valence electron?
a)
The sum of neutrons and protons.
b)
The # of electrons in the last shell.
c)
A type of bond.
d)
A popular compound.
10.
Where are the nonmetals located on the periodic table?
a)
Blue
b)
Red
c)
Green
11.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
12.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
13.
What is the correct structure for BF3?
a)
Option A.
b)
Option B.
c)
Option C.
d)
Option D.
14.
Which is the correct molecular structure for carbon dioxide?
a)
b)
c)
d)
15.
Which of the following is an ionic bond?
a)
H3N
b)
CaCl2
c)
NO2
d)
SCl
16.
What do atoms that form positive ions tend to do?
a)
lose electrons
b)
gain electrons
c)
lose protons
d)
gain protons
17.
Atoms that gain electrons become...
a)
negatively charged
b)
positively charged
c)
remain neutrally charged
d)
21
18.
If an oxygen atom has 8 protons (+) and 10 electrons (-), what is it's charge?
a)
O10-
b)
O8+
c)
O2-
d)
O10+
19.
What is the correct Lewis Structure for the bond between Mg and Cl?
a)
A
b)
B
c)
C
d)
D
20.
What is the correct Lewis Structure and chemical formula for an ionic bond between Aluminum and Oxygen?
a)
A
b)
B
c)
C
d)
D
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