Section 8.2
The Formation and Nature of Ionic Bonds
Practice Test
1.
Which of the following lattice energies represents the strongest force of attraction holding the ions in place?
Lattice Energies of Some Ionic Compounds
Compound
Lattice energy
Compound
Lattice energy
KI
–632
KF
–808
KBr
–671
AgCl
–910
RbF
–774
NaF
–910
NaI
–682
LiF
–1030
NaBr
–732
SrCl2
–2142
NaCl
–769
MgO
–3795
a.
-632
b.
-769
c.
-910
d.
-2142
Hint
2.
Which ion has the electron configuration 1s
2
2s
2
2p
6
3s
2
3p
6
?
a.
H
+
b.
F
-
c.
Cl
-
d.
Br
-
Hint
3.
How are ionic bonds formed?
a.
sharing of electrons between atoms
b.
electrostatic forces between ions
c.
loss of electrons by atoms
d.
gain of electrons by atoms
Hint
4.
An ionic compound that will conduct an electric current when it forms an aqueous solution is a(n) _________.
a.
electrolyte
b.
nonelectrolyte
c.
molecular compound
d.
crystal lattice
Hint
5.
What is the name given to the energy required to separate one mole of the ions of an ionic compound?
a.
heat energy
b.
kinetic energy
c.
potential energy
d.
lattice energy
Hint
