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Definition
characteristics of living organisms |
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characteristics of nonliving objects |
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properties that can be seen or measured using the five senses |
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describe how substances react with other substances |
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changes that do not create new substances |
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Definition
changes that do create new substances |
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Definition
chemical change resulting from an electrical current passing through water |
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substances that the reactants change into |
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tells the number of molecules of the compound (comes in front of the compound) |
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tells the number of atoms of the element (below and after the element) |
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Term
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Definition
1. element
2. mixture
3. compound |
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a substance that can't be broken into simpler substances by chemical means |
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Term
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Definition
2 or more substances that have not been chemically combined (bonded) - the substances can be physically seperated |
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Term
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Definition
2 or more substances that have been chemically combined (bonded) - these can only be seperated by chemical means |
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Definition
smallest part of a compound |
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Definition
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Term
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shorthand way of writing the names of the elements |
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tells the kind and number of atoms found in a compound |
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Definition
shows what takes place in a chemical reaction |
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Definition
chemical equation using the names of the elements/compounds/radicals |
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Term
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Definition
1. Law of Constant Proportions
2. Law of Conservation of Matter |
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Term
Law of Constant Proportion |
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Definition
every compound always has the same number (proportions) of the elements of which it is formed |
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Term
Law of Conservation of Matter |
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Definition
in chemical changes, matter is neither created or destroyed; it just changes forms |
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Definition
a solid that falls out of a solution |
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