C1 Topic 4: Using and Obtaining Metals

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malleable
A property of metals that allows us to change their shape
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density
Most metals have a high _______, meaning they tend to be heavy.
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corrosion
Damage caused to metals reactions with their environment
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recycling
A technique used to reduce the amount of waste metal produced
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electrolysis
A method used to extract very reactive metals (uses electricity)
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ore
A rock that metals can be obtained from
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oxidation
This happens when a substance gains oxygen
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reduction
This happens when a substance loses oxygen
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carbon
Iron can be reduced by this element, but aluminium cannot
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gold
An example of a native metal
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native
A metal that is found naturally occurring and doesn't have to be extracted
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alloy
A mixture of a metal with another element to give the original metal different properties
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Other cards in this set

Card 2

Front

density

Back

Most metals have a high _______, meaning they tend to be heavy.

Card 3

Front

corrosion

Back

Preview of the front of card 3

Card 4

Front

recycling

Back

Preview of the front of card 4

Card 5

Front

electrolysis

Back

Preview of the front of card 5
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