Ionic Bonds Answers

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Alice added sodium chloride to water and stirred the water for several minutes. Alice is most likely trying to demonstrate that ionic compounds

A
are hard.
B
can dissolve.
C
are clear.
D
can melt.
2
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Chalk is an ionic compound. Which is a property of all ionic compounds that makes chalk particularly useful for writing on a chalkboard?

A
a high melting point
B
hardness and brittleness
C
inability to dissolve in water
D
a multicolored appearance
3

What is formed when polyatomic ions bond with other ions?

A
ionic compounds
B
neutral compounds
C
ionic elements
D
neutral elements
4

Ionic compounds form

A
crystal structures.
B
molecular structures.
C
pure elements.
D
neutral elements.
5

Which two elements will most likely form an ionic bond? (Click on the periodic table icon to view these elements)

A
krypton and lithium
B
magnesium and bromine
C
calcium and potassium
D
iodine and chlorine
6

David observed properties of four different compounds, only one of which is an ionic compound. His observations are shown in the chart.

Question illustration
A
W
B
X
C
Y
D
Z
7

Which product relies on the ability of ionic compounds to conduct electricity?

A
paper
B
batteries
C
soap
D
glazed pottery
8

Which characteristic(s) makes ionic compounds useful as a building material?

A
low melting and boiling points
B
hardness and brittleness
C
inability to conduct electricity
D
inability to dissolve in water
9

Anna stated that ionic compounds have high melting points and low boiling points. She said that this demonstrates that ionic compounds have strong bonds because a lot of energy is needed to break the electrical forces that hold the bonds together.Which statement best describes Anna’s error?

A
Strong electrical forces will make ionic compounds have high boiling points.
B
Strong electrical forces will make ionic compounds have weak bonds.
C
A low amount of energy is needed to break the bonds in ionic compounds.
D
Gravitational forces hold the bonds together in ionic compounds.
10

Which shows the correct order of steps during the formation of an ionic bond?

A
Ions are attracted to each other → Electrons are transferred → An ionic compound forms
B
An ionic compound forms → Ions are attracted to each other → Electrons are transferred
C
Electrons are transferred → Ions form → Ions are attracted to each other
D
Ions form → Electrons are transferred → Ions are attracted to each other

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