11. Review What are the charges and relative masses of the three main subatomic particles?
12. Explain Describe Thomson's and Millikan's contributions to atomic theory
13.Compare and Contrast Compare Rutherford's expected outcome of the gold-foil experiment with the actual outcome.
14. Analyze Data What experimental evidence led Rutherford to conclude that an atom is mostly empty space?
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15. Compare and Contrast How did Rutherford's model of the atom differ from Thomson's?