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15 Cards in this Set
- Front
- Back
matter |
anything has mass and takes up space |
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chemistry |
the study of the properties of matter and how matter changes |
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substance |
a single kind of matter this pure;specific makeup;specific set of properties |
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physical property |
a characteristic of a pure substance that can be observed without changing it into another substance Ex: Freezing point |
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chemical property |
a characterisic of a pure substance that describes its ability to change into another substance Ex: Burning |
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element |
a pure substance that cannot be broken down into any other substance |
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atom |
the basic particle from which all elements are made |
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chemical bond |
a force of attraction between two atoms |
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molecules |
groups of two or more atoms held together by chemical bonds |
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compound |
a pure substance made up of two or more elements chemically combined in a set ratio |
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chemical formula |
shows the elements in the compound and the ratio of atoms |
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mixture |
made up of two or more elements or compounds that are not chemically combined |
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heterogenous mixture |
a mixture you can see the different parts of |
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homogenous mixture |
a mixture so evenly mixed that you cannot see the different parts |
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solution |
an example of a homogenous mixture |