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| anything that has mass and volume |
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| smallest unit of an element that keeps the properties of the element |
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| pure substance made of only one type of atom |
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| substance made of 2 or more types of atoms that are chemically bonded |
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| type of compound in which bonds are covalent bonds |
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| properties that depend on the amount of matter |
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| examples of extensive properties |
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| volume; mass; amount of energy |
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| properties that do NOT depend on the amount of matter |
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| examples of intensive properties |
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| boiling point; conductivity; melting point; density |
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| characteristics that can be observed through the senses or measured without changing the identity of a substance |
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| has to do with a substance's ability to undergo changes that transform it to a different substance |
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| change that doesn't affect the identity of the substance (includes all phase changes) |
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definite shape
definite volume
atoms vibrate in place
strong attractive force between atoms |
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- definite volume
- indefinite shape
- atoms can overcome attractive forces to flow
- atoms are close together |
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- indefinite shape
- indefinite volume
- weak attractive forces
- atoms are far apart |
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