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Questions and Answers
What property of metals allows them to be easily shaped and formed into flat sheets?
What property of metals allows them to be easily shaped and formed into flat sheets?
- Sonorous
- Flexibility
- Ductility
- Malleability (correct)
Which property of metals contributes to their effectiveness in electrical applications?
Which property of metals contributes to their effectiveness in electrical applications?
- Lustrous appearance
- High melting points
- Good electrical conductivity (correct)
- Flexibility
What characteristic describes the shininess of metals when polished?
What characteristic describes the shininess of metals when polished?
- Lustre (correct)
- Strength
- Malleability
- Ductility
Which of the following statements about metals is accurate?
Which of the following statements about metals is accurate?
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What is an alloy?
What is an alloy?
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Study Notes
Strength
- Metals are strong and can carry water.
- Saucepans and light bulbs are made of metal.
Heat Conductivity
- Metals are good conductors of heat.
Melting Point
- Most metals have high melting points.
Electrical Conductivity
- Metals are good conductors of electricity.
Ductility
- Most metals can be drawn into wires.
Flexibility
- Most metals are flexible.
Alloys
- Alloys are mixtures of different metals.
- Steel is an alloy of iron.
Lustre
- Metals are lustrous (shiny).
Appearance
- Most metals are shiny when cut or polished.
Malleability
- Most metals are malleable. This means they can be hammered into flat sheets.
- Metals are also ductile, meaning they can be bent into shape.
Sonorous
- Most metals are sonorous; they make a ringing sound when struck.
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