🌅Extraction of metals
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6 Terms
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Metals come from the earth’s __
Earth’s crust
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What are ores?
Rocks containing a compound of a metal and non-metal
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Unreactive metals are found in the earth as ____
Pure metals
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What is an alloy?
When a metal is mixed with one or more elements (can be metal or non-metal)
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Why are alloys harder than pure metals?
different sizes of cations mean layers can’t slide / bend easily
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Note 
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