describing matter
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| matter | anything that has mass and takes up space
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| chemistry | the studyof propertyties of matter and how matter changes
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| substance | a single kind of matter that is pure
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| physical property | a characteristic of pure substances that can be observed without changing it into another substances
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| chemical property | chararcteristic of pure substances that decribes its abbelty to change into different substances
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| element | are the simplest sustanes
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| atom | a basick partical from which all elements are made
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| chemical bond | when atoms combined
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| molecules | atoms combined to form larger particles
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| compound | a pure substances made of two or more elements chemiclly combined in a set of ratio
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| chemical formula | it shows the elements in the compound and the ratio of atoms
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| mixture | two ore substances elements, compounds or both that are togher but not chemicly combined
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| heterogeneous mixture | a mexture in which in pure substances are unevenly disturbed throughout the mixture
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| homogeneous mixture | a mixture in which substances are evenly disturbed throughout the mixturre
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| soultion | an example of homogenous mixture;forms when substances disolve
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