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Definition
| A Hydrogen Bond is the attraction between a hydrogen atom with a partial positive charge and another atom with a partial negative charge. |
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| Cohesion is an attraction between molecules of the same substance. |
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| Adhesion is an attraction between molecules of different substances. |
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| A Mixture is a material composed of two or more elemants or compounds that are physically mixed together but not chemically combined. |
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| Solution is a type of mixture in which all the components are evenly distributed. |
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| Solute is a substance that is dissolved in a solution. |
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Definition
| Solvent is a dissolving substance in a solution. |
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| Suspension is a mixture of water and nondissolved material. |
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Definition
| Acid is a compound that forms hydrogen ions in solution; a solution with a pH of less than 7. |
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Definition
| Base is a compound that produces hydoxide ions in solution; solution with pH of more than 7. |
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| Buffer is a compound that prevents sharp, sudden changes in pH. |
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Definition
| pH scale is a scale with values from 0 to 14, used to measure the concentration of H ions in a solution; a pH of 0 to 7 is acidic, a pH of 7 is neutral, and a pH of 7 to 14 is basic. |
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