2. Types of Mixtures w Variable combination of 2 or more pure w substances. Heterogeneous Homogeneous

3. Heterogeneous mixtures  Heterogeneous mixture -2 or more phases (with same or different physical states) -each phase has different properties

4. Homogeneous mixtures w Homogenous mixtures are “well mixed”  Particles are small and uniform -same composition in a sample ex:sugar and water w not easily recognized

5. Matter Flowchart MATTER NO Homogenous Mixture Heterogeneous Mixture CompoundsElement MIXTURE PURE SUBSTANCE Can it be chemically decomposed? NO YES NO Can it be physically separated? YES Is the composition uniform? YES

7. Solutions – another name for a homogeneous mixture w A solution is a mixture in which a substance is dissolved in another, “best mixed” EX: carbonated cola