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16 Cards in this Set
- Front
- Back
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ionic bond |
chemical bond created by the attraction between oppositely charged ions; between metal and nonmetal atoms |
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carbon |
the element all organic compounds contain; they are the building blocks of living things |
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exothermic |
a chemical reaction that releases energy |
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rate of reaction |
the measure of how fast a chemical reaction occurs |
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compound |
substance formed by the chemical combination of two or more elements |
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ion |
an atom that is positively or negatively charged because it has gained or lost electrons |
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covalent bond |
a chemical bond that forms when atoms share electrons; between nonmetal atoms |
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endothermic |
a chemical reaction that absorbs energy |
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catalyst |
a substance that speeds up a chemical reaction but is not used up itself or permanently changed |
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energy |
the ability to cause change |
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thermal and exothermic |
the energy given off and type of reaction when zinc is added to hydrochloric acid |
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electron |
the part of an atom that is shared, gained, or lost when forming a chemical bond |
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positive ion |
when an atom loses electrons |
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negative ion |
when an atom gains electrons |
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valence electrons |
electrons in the outermost energy level |
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heat, sound, light, electrical |
signs of an exothermic reaction |
