2012 Mid Term Review

You may have one page of handwritten notes to reference on the midterm.

1. Who is Democritus and what was his contribution to science?
2. What happens in a chemical reaction?
3. Describe the physical properties of a substance in a liquid state.
4. Desribe solids
5. Describe molecular compounds.
6. Why must chemical equiations balance?
7. Describe ionic compounds.
8. Describe atomic mass.
9. Describe Bohr's atomic theory