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Chemistry Test #1 Topics Date of Test: Thursday, Dec 15 To prepare for the test you should review and know the following topics: 1. Lab Safety including lab equipment and safety equipment along with WHMIS symbols 2. Chemical and Physical Properties 3. Particle Theory of Matter 4. Chemical and Physical Changes 5. Density and Density Calculations 6. Pure Substances and Mixtures - elements, compounds, solutions (homogeneous mixtures), mechanical mixtures (heterogeneous mixtures), suspensions, colloidal dispersions 7. History of the Atom - Empedocles, Aristotle, Democritus, Dalton, Thomson, Rutherford, Gold Foil experiment 8. Structure of the Atom - atomic number, atomic mass, protons, neutrons, electrons 9. Bohr diagrams Read through your notes and your textbook, along with the labs that we have done so far to ensure that you are well prepared.