Metals and their uses

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  • Created by: Sam Evans
  • Created on: 19-05-14 20:59
What is the name for rock that is mined from which metal can be extracted?
An ore
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Why is gold found in the earth as the metal
Its is very unreactive
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What are the typical properties of transition metals?
Strong, good conductors of heat and elcricity, can be bent and hammered into shape
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Explain why most of the metals we use are not pure elements
Most pure metals are soft and need to be made into an alloy to make them harder
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Name three different types of steel and give an important property for each one
Low carbon steel - easily shaped, high carbon steel - hard, stainless steel - resists corrosion
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Explain why all steels are alloys
All steels contain iron and carbon
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Giv ethree properties that make aluminium a useful metal
Low density, can be bent into shape and good conductor of electricity and heat
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Give three reasons why titanium is expensive
Extraction needs several stages, uses large amount of energy, uses a very reactive metal
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Other cards in this set

Card 2

Front

Why is gold found in the earth as the metal

Back

Its is very unreactive

Card 3

Front

What are the typical properties of transition metals?

Back

Preview of the front of card 3

Card 4

Front

Explain why most of the metals we use are not pure elements

Back

Preview of the front of card 4

Card 5

Front

Name three different types of steel and give an important property for each one

Back

Preview of the front of card 5
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