1. Atomic Theorists, Theories and History

2. Which law states the mass of the reactants must equal the mass of the products? 1.Law of conservation of mass 2.Law of definite proportions 3.Law of multiple proportions 10

3. What does the following diagram describe? 1.Solid sphere Model 2.Stationary planetary model 3.Plum pudding model 4.Pulsating planetary model 10

4. The following diagram describes best the ideas of whom? 1.Aristotle 2.John Dalton 3.J J Thomson 4.Ernest Rutherford 5.Niels Bohr 10

5. The following diagram describes best the ideas of whom? 1.Aristotle 2.John Dalton 3.J J Thomson 4.Ernest Rutherford 5.Niels Bohr 1234567891011121314151617181920 21222324252627282930 10

6. Which law states that elements will combine in fixed ratios to form a compound? 1.Law of conservation of mass 2.Law of definite proportions 3.Law of multiple proportions 1234567891011121314151617181920 21222324252627282930 10

7. What idea does the following diagram describe? 1.Solid sphere Model 2.Stationary planetary model 3.Plum pudding model 4.Pulsating planetary model 1234567891011121314151617181920 21222324252627282930 10

8. Which law defines the following? H 2 + O 2  H 2 O 2 H 2 + O 2  H 2 O 1.Law of conservation of mass 2.Law of definite proportions 3.Law of multiple proportions 1234567891011121314151617181920 21222324252627282930 10

9. What does the following diagram describe? 1.Solid sphere Model 2.Stationary planetary model 3.Plum pudding model 4.Pulsating planetary model 1234567891011121314151617181920 21222324252627282930 10

10. The isotope C-16 has which of the following? 1.16 protons 2.6 neutrons 3.8 neutrons 4.10 neutrons 5.12 electrons 6.16 neutrons 1234567891011121314151617181920 21222324252627282930 10

11. If an atom is neutral, which subatomic particles would be equal? 1.Protons and neutrons 2.Neutrons and electrons 3.Protons and Electrons 1234567891011121314151617181920 21222324252627282930 10

12. How many total electrons does the following ion have F - 1.One 2.Two 3.Seven 4.Eight 5.Nine 6.Ten 1234567891011121314151617181920 21222324252627282930 10

13. What takes up the most space in an atom? 1234567891011121314151617181920 21222324252627282930 1.Nucleus 2.Neutrons 3.Protons 4.Electrons 5.Electron cloud 10

14. What is the charge of the nucleus? 1234567891011121314151617181920 21222324252627282930 1.Negative 2.Positive 3.Both negative & positive 4.Neutral 10