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Vocabulary- Kelsey
Chapter 2 section 2
| Question | Answer |
|---|---|
| What type of molecule is water? | polar molecule |
| Polar molecule | able to form multiple hydrogen bonds. |
| Cohesion | attraction between molecules of the same substance |
| Adhesion | attractipon between molecules of different substances |
| mixture | composed of two or more elements that are physically mixed together, but mot chemically |
| solution | a type of mixture where one substance fully disolves into another |
| Solvent | what a solution disolves into. |
| Solute | what you are trying to disolve |
| Suspension | when the solute doesn't disolve |
| pH scale | indicate the concentration of H ions |
| Acid | below 7 |
| Base | above 7 |
| neutral | 7 |
| pure water | neutral |
| acidic | acid |
| alkaline | base |
| Buffers | weak acids and bases react with strong acids and bases |