Ionic Compounds
Practice Test
1.
Which group contains elements known as "salt formers"?
a.
7A
b.
8A
c.
1A
d.
3A
2.
Which of the following is a correct description of a metallic property?
a.
Metals have a dull appearance.
b.
Metals gain electrons to form anions.
c.
Metals are malleable.
d.
Metals are brittle.
3.
Which elements can either gain or lose electrons to form stable octets?
a.
metalloids
b.
transition metals
c.
nonmetals
d.
metals
4.
Which of the following elements is most likely to form a negatively-charged ion?
a.
F
b.
I
c.
Cl
d.
Br
5.
The fewer unpaired electrons in the d sublevel of a transition metal, the __________.
a.
greater the hardness
b.
higher the melting pointq
c.
lower the boiling point
d.
higher the boiling point
6.
What kind of ion is iodide (I
-
)?
a.
monatomic cation
b.
polyatomic anion
c.
polyatomic cation
d.
monatomic anion
7.
What is the name given to the energy required to separate one mole of the ions of an ionic compound?
a.
heat energy
b.
potential energy
c.
lattice energy
d.
kinetic energy
8.
The majority of actinide elements are known as _________.
a.
coinage metals
b.
lanthanide elements
c.
transuranium elements
d.
halogen elements
9.
Which block consists of the elements in groups 3A through 8A?
a.
p block
b.
d block
c.
s block
d.
f block
10.
How many electrons are in the highest energy p orbitals of a group 4A atom?
a.
1
b.
3
c.
4
d.
2
11.
Elements in the d block are also known as _______________.
a.
alkali metals
b.
transition metals
c.
lanthanide metals
d.
alkaline earth metals
12.
If tungsten were not available for use in a lightbulb filament, which of the elements in the table would be the best choice for a substitute?
Melting Points and Boiling Points of Some Metals
Element
Melting point (°C)
Boiling point (°C)
Lithium
180
1347
Tin
232
2623
Aluminum
660
2467
Barium
727
1850
Silver
961
2155
Copper
1083
2570
a.
barium
b.
copper
c.
lithium
d.
aluminum
13.
What is the name for the amount of energy required to remove an electron from an atom?
a.
dissociation energy
b.
electron affinity
c.
ground state energy
d.
ionization energy
14.
Which of the following elements has the lowest first ionization energy?
a.
B
b.
C
c.
Li
d.
F
15.
The elements in group 1A are grouped together because they __________.
a.
are the lightest elements
b.
all have one valence electron
c.
are all metals
d.
are all solids at room temperature
16.
What is a negatively charged ion called?
a.
molecule
b.
nucleus
c.
cation
d.
anion
17.
An ionic compound that will conduct an electric current when it forms an aqueous solution is a(n) _________.
a.
molecular compound
b.
electrolyte
c.
nonelectrolyte
d.
crystal lattice
18.
Elements in group 7A are __________.
a.
noble gases
b.
alkali metals
c.
halogens
d.
alkaline earth metals
19.
What is the formula for ammonium bromide?
a.
NH
3
Br
b.
NH
4
Br
c.
(NH
4
)
2
Br
d.
NH
4
Br
2
20.
The valence orbitals in an atom are the ___________.
a.
d orbitals
b.
innermost orbitals
c.
outermost orbitals
d.
second energy level
