2. What is the difference between homogeneous and heterogeneous matter? Cite one example of each 3. Compare an element to a compound. List 2 examples of each
4. Contrast an atom to a molecule
5. List the 3 subatomic particles, their charges, locations, and mass
6. Why is an electron the lightest subatomic particle
7. What are quarks? How many are needed to make up one subatomic particle. List the 6 flavors of quarks
8. What is a solution? Cite 3 examples
9. What is the difference bettween a mixture and a compound? Cite one example
10. List and define the 4 states of matter