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9 Cards in this Set
- Front
- Back
Most metals are found in ___
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Ores
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Metals often have to be separated from their _____
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Oxides
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Reduction reaction
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Reaction that separates a metal from its oxide
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Metal reacts with oxygen to form ____
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oxides
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Alloy
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Mixture of 2 or more metals
OR Mixture of a metal and non-metal |
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Alloys are _____ than pure metals
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Harder
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4 reasons to recycle
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1) Uses less resources
2) Uses less energy 3) Uses less money 4) Makes less rubbish |
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3 properties of metals
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1) Strong but can be bent to different shapes
2) Conduct heat 3) Conduct electricity |
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Iron + oxygen + water > ______ ______ ______
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hydrated iron(III) oxide
(also known as rust) |