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Chemistry
9th -
12thgrade
Structure & Properties of Ionic Compounds and Metals
9 questions
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- 1. Multiple Choice
What does it mean for a substance to have a crystal structure?
The particles are arranged in an orderly, repeating pattern
The particles are arranged randomly
The particles can conduct electricity
The substance must be an ionic compound
- 2. Multiple Choice
Which type of substances always have crystal structures?
only ionic compounds
only metals
both ionic compounds and metals
no type of substance always have crystal structures
- 3. Multiple Choice
Which of the following is true about bonding in metals?
There is no bonding in metals because they are not compounds
Metal atoms are bonding by the valence electrons' ability to wander freely through the entire piece of metal
Metal atoms are bonded by the valence electrons' ability to be taken by other more electronegative atoms
Metal atoms are bonded by their crystal structure
- 4. Multiple Choice
Which property is responsible for the function of batteries and our bodies ability to move charge around our cells?
Metals are able to conduct heat
Ionic compounds are not able to conduct electricity when solid
Ionic compounds are able to conduct electricity when dissolved in water
Ionic compounds are able to conduct electricity when melted
- 5. Multiple Choice
Which of the following correctly describes why ionic compounds are brittle?
Ionic compounds have a crystal structure
Ionic compounds have valence electrons that wander freely through the entire substance
Ionic compound particles are locked into place by attractions & repulsions between ions
All of these are true
- 6. Multiple Choice
Which of the following are properties of metals?
maleable
conducts heat well
high melting points
ductile
- 7. Multiple Choice
Which of the following are properties of ionic compounds?
conducts electricity in the solid form
conducts electricity when dissolve in water or melted
brittle
high melting points
- 8. Multiple Choice
Which of the following describes an alloy?
a homogeneous mixture of only metals
a homogeneous mixtures of ionic compounds
a homogeneous mixture of elements
a homogeneous mixture of elements, but one has to be a metal
- 9. Multiple Choice
Which of the following correctly describes why alloys are useful?
It is difficult to have a pure substance, so might as well mix them all together
Alloys blend the properties of the elements they are made up from
All alloys are stronger than any pure element
All of these are correct
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