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  1. 1. 2.1-2.2Gabriel Burson
  2. 2. MixturesMixtures consist of two or more substances that canbe physically separated and are not chemicallycombined. The characteristic properties of thesubstances do not change.Heterogeneous mixture Homogeneous mixture
  3. 3. ElementsElements cannot be physically or chemically brokenapart into anything else. They are the simplest form of apure substance.
  4. 4. CompoundsCompounds are composed of two or more puresubstance that are chemically combined. Compoundsdo not retain to their characteristic properties and canbe separated chemically.
  5. 5. AlloysAn alloy is a mixture of two or more metals.
  6. 6. ColloidA colloid has particles that are mixed together, but notdissolved.
  7. 7. SolutionA solution is a homogeneous mixture that is fully mixed.It has a solute and a solvent.
  8. 8. DistillationA process that separates the substances in a solutionbased on their boiling points.
  9. 9. FiltrationA process that separates materials based on the size oftheir particles and/or solubility.
  10. 10. EvaporationA process used to isolate a solid dissolved in a liquid.
  11. 11. FlammabilityFlammability is a material’s ability to burn in thepresence of oxygen.
  12. 12. ReactivityReactivity is the property that describes how fast asubstance combines chemically with another.
  13. 13. Chemical changesChange in color, production of gas, formation of aprecipitate.
  14. 14. Give an example of a colloid
  15. 15. How would you separate sugar dissolved in water and collect a sample of each?
  16. 16. Is this a chemical or physical change?
  17. 17. Give an example of a heterogeneous mixture
  18. 18. Explain how you would calculate the density, volume, and mass of each substance within a mixture of alcohol and water