Chemistry

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What is an ore ?
An ore is the metal that has been extracted from a rock
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Where are the most meatals are extracted from ?
Earth's Crust
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Why some metals are found in the Earth as uncombined elements ?
Some metals are found in the Earth as uncombined elements because its unreactive and do not chemically join with other elements to form a compond.
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Card 2

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Where are the most meatals are extracted from ?

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Earth's Crust

Card 3

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Why some metals are found in the Earth as uncombined elements ?

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Card 5

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