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A LITTLE SOMETHING WORTH KNOWING

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Copper · chemical symbol

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Copper conducts electricity superbly but slowly turns green as it reacts with air and moisture. Source: Copper

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  1. 43This element coats steel to prevent rust and also serves as an essential trace mineral in human diets.RECALL
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    Zinc coats steel to prevent rust and also serves as an essential trace mineral in human diets.

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  2. 44Zinc · chemical symbolRECALL
    Zn

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  3. 45This element conducts electricity better than any other metal and carries the symbol Ag from the Latin argentum.RECALL
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    Silver conducts electricity better than any other metal and carries the symbol Ag from the Latin argentum.

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