Section 5.1
Ionic Compounds
Practice Test
1.
These types of compounds make eggshells brittle.
a.
covalent
b.
ionic
c.
molecular
d.
network
Hint
2.
Which of these is NOT a binary compound?
a.
aluminum nitrate
b.
carbon dioxide
c.
water
d.
potassium iodide
Hint
3.
The sum of the charges in an ionic compound must equal ________.
a.
negative eight
b.
positive one
c.
positive eight
d.
zero
Hint
4.
The simplest ratio of ions in an ionic compound is displayed in a _____________.
a.
formula unit
b.
molecule
c.
ion charge
d.
network
Hint
5.
The formula for a covalent compound is called a _______________.
a.
covalent formula
b.
covalent code
c.
macromolecule
d.
molecular formula
Hint
6.
Calcium atoms tend to react to form _______ ions.
a.
2+
b.
6-
c.
1+
d.
4-
Hint
7.
Fluorine atoms tend to react to form _______ ions.
a.
1-
b.
7+
c.
5-
d.
3+
Hint
8.
The charge on an ion formed from an atom is called the _____________ of the atom.
a.
atomic radius
b.
charge
c.
oxidation number
d.
reaction capacity
Hint
9.
Which of these formulas does not represent a polyatomic ion?
a.
CO
b.
CN
-
c.
NO
2
-
d.
PO
4
3-
Hint
10.
Which of these formulas represents the nitrate ion?
a.
NO
3
-
b.
NO
2
-
c.
HNO
3
d.
H
3
N
Hint
11.
What is the formula for lithium carbonate?
a.
Li
2
CO
3
b.
LiCO
c.
LiCO
3
d.
Li
3
CO
2
Hint
12.
Na
2
SO
4
is the formula for _______________.
a.
sodium sulfate
b.
sodium sulfur oxide
c.
sodium sulfite
d.
sodium sulfide
Hint
13.
The formula for barium nitrite is __________.
a.
Ba(NO
2
)
2
b.
BaNO
32
c.
BaNO
d.
Ba(NO
3
)
2
Hint
14.
These elements commonly have more than one positive oxidation number.
a.
alkali metals
b.
alkaline earths
c.
noble gases
d.
transition elements
Hint
15.
Iron atoms commonly react to form __________ ions.
a.
2+ and 3+
b.
1+ and 2+
c.
2+ and 4+
d.
3+ and 4+
Hint
16.
Compounds that contain water are called __________.
a.
anhydrous
b.
aqueous
c.
aluminates
d.
hydrates
Hint
17.
What is the molecular compound name for hydrazine, N2H4?
a.
dinitrogen hydride
b.
dinitrogen tetrahydride
c.
trinitrogen pentahydride
d.
trinitrogen quatrohydride
Hint
18.
What is the formula for the binary compound of potassium and chlorine?
a.
KCl
b.
KCl2
c.
K2ClO3
d.
KHCl
Hint
19.
Which of the following is the formula for nitric acid?
a.
HN
b.
HNO
c.
HNO2
d.
HNO3
Hint
20.
What is the oxidation number of Group 17 nonmetals?
a.
-1
b.
0
c.
1
d.
3
Hint
