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| The basic particle from which all elements are made. |
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| The force that holds two atoms together. |
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| A pure substance made of two or more elements chemically combined. |
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| A pure substance that cannot be broken down into other substances by chemical or physical means. |
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| A state so fmatter with not definite shape or volume. |
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A state of matter that has no definite shape but has a definite volume.
Molecules slip and slide past one another. |
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| Two or more substances that are mixed together but not chemically combined. |
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| A particle made of two or more atoms bonded together. |
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A state of matter that has a definite shape and a definite volume.
Molecules vibrate back and forth. |
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| The process that occurs when a change of state occurs from a liquid to a gas on the surface of a substance. |
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| the change in state from a solid to a liquid |
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| The temperature at which a substance changes from a liquid to a gas. |
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