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12 Cards in this Set
- Front
- Back
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a one or two letter set of characters that is used to identify elements
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symbol
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a number in a chemical formula that tells the numbers of atoms in a molecule or the ratio of elements in a compound
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subscript
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a short, easy way to show chemical reactions, using symbols instead of words
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chemical equation
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a combination of symbols that represent the elements in a compound
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chemical formula
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a substance that enters into a chemical reaction
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reactant
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a substance formed as a result of a chemical reaction
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product
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the principle stating matter is NOT created or destroyed during a chemical reaction
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law of conservation of mass
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there are the same number of each atom on both sides of the equation
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balanced equation
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a number in front of chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
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coefficient
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a chemical reaction in which two or more simple substances combine to form a new, more complex substance
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synthesis
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a chemical reaction that breaks down compounds into simpler products
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decomposition reaction
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a reaction in which one element replaces another compound;
or when two elements in different compounds trade places |
replacement reaction
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