C1 Topic 4: Using and Obtaining Metals

oxidation
This happens to a substance when it gains oxygen
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reduction
This happens to a substance when it loses oxygen
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alloy
a mixture of a metal with another element to give the original metal different properties
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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 need to be extracted
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ore
A rock that metals can be obtained from
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electrolysis
A method used to extract very reactive metals (uses electricity)
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recycling
a technique used to reduce the amount of waste metal produced
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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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Other cards in this set

Card 2

Front

reduction

Back

This happens to a substance when it loses oxygen

Card 3

Front

alloy

Back

Preview of the front of card 3

Card 4

Front

carbon

Back

Preview of the front of card 4

Card 5

Front

gold

Back

Preview of the front of card 5
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