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| Chemistry Describing Matter Chapter 1/6th |
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| A change that produces one or more new substances. |
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| The boiling point of water is 100 degrees celsius |
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| The smallest particle of an element. |
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| Proposed a theory that an atom cannot be broken apart. |
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| Can contain just a few atoms or as many as a billion atoms. |
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| An example of changing a substance physically is |
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| An example of changing a substance chemically is |
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| Many substances share melting points, boiling points, or other characteristics. |
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| These are all needed to accurately identify a substance. |
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| Substances that CANNOT be broken down chemically into other substances. They are composed of extremely small particles called atoms. |
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| The measurement of the forces of gravity on an object. |
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| The measurement of how much matter an object contains. |
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| A Greek philosopher who came up with the idea of atoms. |
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| A group of atoms that are joined together and act as a single unit. |
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| Hold atoms together in a molecule. |
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| Divide an object's mass by its volume. |
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| The SI measurement for mass |
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| A type of matter that consists of two or more substances that are NOT chemically combined. |
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| Examples of different States of Matter |
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| Liquid water(liquid), Ice(solid), and Water Vapor(gas) |
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| The temperature at which a pure solid changes to a liquid. |
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| Measured in units of liters, milliliters,and cubic centimeters. |
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| A substance formed from two or more elements that are CHEMICALLY combined. |
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| A substance formed from two or more elements that are CHEMICALLY combined. |
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