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| A hydrogen bond is a weak attraction between a hydrogen atom and another atom. |
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| Cohesion is an attraction between molecules of the same substance. |
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| Adhesion is a force of attraction between different kinds of molecules. |
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| A mixture is composed of 2 or more elements or compounds that are physically mixed together but not chemically combined. |
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| A solution is a type of mixture in which all the components are evenly distributed. |
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| A solute is a substance that is dissolved in a solution |
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Definition
| A solvent is the dissolving substance in a solution. |
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| Suspension is a mixture of water and nondissolved material. |
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| A pH scale is a scale with values from 0-14, used to measure the concentration of H+ ions in solution; a pH of 0-7 is acid, a pH of 7 is neutral, and a pH of 7-14 is basic. |
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Definition
| Acid is a compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7. |
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Definition
| A base is a compound that produces hydrogen ions (OH-) in solutions; solution with a pH more than 7. |
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Definition
| A buffer is a compound that prevents sharp, sudden changes in pH. |
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