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| closeness of a measurement to the true value of the quantity |
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| amount of product actually obtained in a reaction |
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| ion with a net negative charge |
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| smallest piece of an element that can enter into chemical combinations |
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| number of carbon atoms in exactly 12 grams of carbom |
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| solution that has the ability to resist small changes in pH upon the addition of small amounts of either acid or base |
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| substance that increases the rate of a chemical reaction without itself being consumed |
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| ion with net positive charge |
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| process in which one or more substances are converted into other substances |
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| area of chemistry concerned with the speeds or rates at which chemical reactions occur |
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