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Definition
| when 2 or more substances combine to make more complex compounds |
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Definition
| a chemical bond formed when 2 or more atoms share electrons between nonmetals and nonmetals |
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Definition
| attraction between 2 oppositely charged ions its between a metal and a nonmetal |
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| a atom or group of atoms that becomes electrically charged |
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Definition
| ions made up of more the none ion |
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| compound composed of molecules |
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Definition
| a coevalant bond where the electrons were shared unequally |
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Definition
| bond where the electrons are shared equally |
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| dissolved molecules that form clusters |
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Definition
| nuclei growth and form crystals |
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| what are the four crystal structures |
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Definition
| molecular crystals, covalant crystals, ionic crystals, and metallic crystals |
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Term
| what does an up arrow mean |
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Definition
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| what does a down arrow mean |
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Definition
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Definition
| solid that froms from a solution during a chemical reaction |
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Term
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Definition
| results in a net absorption of energy *cold* |
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Definition
| results in a net release of energy *warm* |
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Term
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Definition
| the minimum amount of energy needed to start a chemical reaction |
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Term
| what are the 4 factors that affect the rate of reaction? |
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Definition
| surface area, temperature, concentration, and catalysts. |
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Definition
| amount of a substance in a given volume |
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Definition
| material that increases the rte of reaction by lowering the activation energy |
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Definition
| the cells in your body hat contain biological catalysts |
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Definition
| material used to decrease the rate of reaction |
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Definition
| when compounds break down to simpler compounds |
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Term
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Definition
| one element replaces another in a compound |
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