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WorksheetsProperties of Ionic vs. Covalent Compounds
Total questions: 55
Worksheet time: 2hrs 22mins
Name
Class
Date
1.
Which of the following is a property of an ionic compound?
a)
high melting point
b)
soft
c)
malleable
d)
liquid at room temperature
2.
Which of the following compounds would have the lowest melting point?
a)
aluminum oxide
b)
potassium chloride
c)
sucrose
d)
sodium chloride
3.
Are the atoms more stable when they are bonded together or when they are apart?
a)
Bonded Together
b)
Apart
4.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons
c)
The transfer of electrons
d)
None Of the above
5.
What do atoms that form positive ions tend to do?
a)
Tend to lose electrons
b)
Tend to lose protons
c)
Tend to gain electrons
d)
Tend to gain protons
6.
Negatively charged part of an atom located in levels outside the nucleus
a)
Proton
b)
Neutron
c)
Electron
d)
Neutron
7.
What usually forms the positive ion?
a)
Metal
b)
Non Metals
c)
None
8.
What happens when the sodium atom loses an electron?
a)
It become negatively charged
b)
It become positively charged
c)
none
9.
What usually forms the negative ion?
a)
nonmetals
b)
metal
c)
none
10.
What happens when an atom loses an electron?
a)
Neutral (no charge)
b)
Positive charge
c)
Negative charge
11.
What happens when an atom gain an electron?
a)
Neutral(no charge)
b)
Positive charge
c)
Negative charge
12.
What charges attract?
a)
Opposite
b)
Same
13.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
14.
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.
15.
What is the number of valence electrons for Oxygen?
a)
8
b)
6
c)
2
d)
1
16.
What is the number of valence electrons for Beryillum?
a)
1
b)
4
c)
2
d)
7
17.
What is the number of valence electrons for Silicon?
a)
1
b)
2
c)
6
d)
4
18.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
19.
What is the charge on a Hydrogen ion?
a)
+1
b)
1
c)
2
20.
What is the charge on an Aluminium ion?
a)
3
b)
+3
c)
+2
d)
+1
21.
What is the charge on a chloride ion?
a)
-1
b)
1
c)
+2
d)
+1
22.
Which of the following is a characteristic property of ionic compounds?
a)
They form hard, brittle crystals with characteristic shapes
b)
They have low melting points
c)
They have low boiling points
d)
They contain no charged particles
23.
In what form can an ionic compound conduct electricity?
a)
when dissolved in water
b)
as a solid
c)
as a crystal
d)
when warmed slightly
24.
The name of this compound is
a)
Magnesium nitrogen
b)
Mango nitride
c)
Magnesium nitride
d)
Magnesiumide nitride
25.
The 2+ next to Mg (Magnesium) is a
a)
a) Subscript
b)
b) Superscript
c)
c) Electrical charge
d)
d) Both (b) and (c)
26.
The name of this compound is
a)
Calciumied Fluoride
b)
Calcium Fluoride
c)
Calcium Fluorine
d)
None of the above
27.
What is the correct chemical formula for Potassium Oxide?
a)
KO
b)
K2O
c)
PO
d)
P2O
28.
The name of this compound is
a)
Boron oxide
b)
Barium oxide
c)
Bariumide oxide
d)
Boron oxygen
29.
The name of this compound is
a)
Aluminumide oxide
b)
Aluminum oxygen
c)
Aluminum oxide
d)
Aluminumide oxygen
30.
The correct formula for Magnesium Phosphide is
a)
Mg2P3
b)
Mg3P2
c)
MgP
d)
MgP2
31.
The chemical formula for Sodium nitride is
a)
NaS
b)
Na3S3
c)
SoN3
d)
Na3N
32.
The correct formula for Lithium oxide is
a)
OLi2
b)
Li2O
c)
LiO
d)
Li2O2
33.
When Li and Phosphorus combine the resulting ionic formula is
a)
Li3P
b)
LiP3
c)
LiP
d)
None of the above
34.
When K and N combine the resulting ionic formula is
a)
KN
b)
PN
c)
K3N
d)
KN3
35.
When Calcium and Nitrogen combine the resulting formula is
a)
CN2
b)
CaN
c)
Ca2N3
d)
Ca3N2
36.
Which of the following compounds is not ionic?
a)
MgO
b)
Na3N
c)
CaCl2
d)
NF3
37.
Which of these compounds is NOT covalent?
a)
CCl4
b)
NF3
c)
Na3N
d)
HCl
38.
Which of these compounds is not ionic?
a)
MgOH
b)
C2H6O2
c)
CaO
d)
Ba3N2
39.
If a neutral atom gains electrons it will become
a)
An anion
b)
A cation
c)
A solid
d)
None of the above
40.
Atoms gain or lose electrons to
a)
a. Fulfill the Octet Rule
b)
b. To become stable
c)
c. To be more electronegative
d)
d. Both (a) and (b)
41.
A positive ion is called a
a)
Cation
b)
Anion
c)
Neutral atom
d)
None of the above
42.
A negative ion is called
a)
Cation
b)
Anion
c)
Electrolite
d)
None of the above
43.
If Magnesium atom loses 2 electrons it will acquire the charge of
a)
-2
b)
+2
c)
+1
d)
-1
44.
Like metals, ionic compounds will
a)
be cold
b)
conduce electricity when dissolved
c)
not conduce electricity when dissolved
d)
None of the above
45.
Elements that are in the same group have the same
a)
Number of Valance electrons
b)
Number of Periods
c)
Number of energy levels
d)
Number of total electrons
46.
Elements that have the same number of valance electrons have
a)
Different chemical properties
b)
Similar chemical properties
c)
The same physical state
d)
None of the above
47.
The Lewis Dot Structure is a system used to represent with dots the
a)
interior electrons
b)
total number of electrons
c)
valance electrons
d)
None of the above
48.
Compounds made from only nonmetals are _________________ compounds.
a)
ionic
b)
covalent
c)
metallic
d)
chemical
49.
A covalent bond involves a __________ of electrons.
a)
sharing
b)
borrowing
c)
exchanging
d)
switching
50.
Low melting point and low solubility in water are general properties of ______________________ compounds
a)
ionic
b)
covalent
c)
chemical
d)
glucose
51.
The chemical formula shows one carbon atom bonded to __________ oxygen atoms.
a)
one
b)
two
c)
three
d)
four
52.
What type of elements form covalent bonds?
a)
Metals
b)
Non Metals
c)
Metalloids
d)
Nobel Gas
53.
A ___________________ is the smallest unit of a compound.
a)
atom
b)
proton
c)
electron
d)
molecule
54.
How many atoms of hydrogen are in a sugar molecule with the formula C6H12O6
a)
12
b)
6
c)
24
d)
18
55.
Atoms that are _____________ will form bonds.
a)
stable
b)
unstable
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