2. The Atom JEOPARDY

3. History The Atom IsotopesNuclearChemistry I’m feeling lucky 100 200 300 400 500

4. History 100 The first to describe matter as being composed of individual matter A: Who is Democritus ? S2C06 Jeopardy Review

5. History 200 A: Who is J.J. Thomson ? He determined the charge-to-mass ratio for the electron from the behavior of a cathode ray tube with electric and magnetic fields. S2C06 Jeopardy Review

6. History 300 A: Who is John Dalton? Published his atomic theory in 1808. S2C06 Jeopardy Review

7. History 400 A: Who is Robert Boyle? The first to publish all the experimental details of his work, including experiments that did not work. S2C06 Jeopardy Review

8. History 500 A: Who is Antoine Lavoisier? He established the Law of Conservation of Mass. S2C06 Jeopardy Review

9. The Atom 100 A: What is a nucleus? S2C06 Jeopardy Review Very small is size, but has a very large mass

10. The Atom 200 A: What are electrons? S2C06 Jeopardy Review They take up lots of space and have very little mass.

11. The Atom 300 A: What is the mass number ? When rounded to the nearest whole number, the atomic mass becomes this. S2C06 Jeopardy Review

12. The Atom 400 A: What are 3 protons, 4 neutrons and 2 electrons ? The number of protons, electrons, and neutrons in this lithium atom S2C06 Jeopardy Review 5 7 Li 2 +1 3

13. The Atom 500 The number 5 represents this. S2C06 Jeopardy Review A:What is the number of lithium atoms? 5 7 Li 2 +1 3

14. Isotopes 100 A: What is the number of neutrons or mass? The different between isotopes of a particular element. S2C06 Jeopardy Review

15. Isotopes 200 A: What is a weighted average (for all of the element’s isotopes) ? The average atomic mass represents this. S2C06 Jeopardy Review

16. Isotopes 300 A: What is the number of neutrons does not affect its electron or chemical behavior? The reason all isotopes of an element behave nearly identically. S2C06 Jeopardy Review

17. Isotopes 400 A: What is 55.85 g/mole? Based on this data, the weighted atomic mass of iron. S2C06 Jeopardy Review isotopeisotopic molar mass (g/mole) naturally occurring abundance 54 Fe53.9405.82 % 56 Fe55.93591.66 % 57 Fe56.9352.19 % 58 Fe57.9330.33 %

18. Isotopes 500 A: What is the 77.5% ( 35 C) and 22.5% ( 37 C) ? The % abundance of chlorine-35 and chlorine-37 when the average atomic mass = 35.45. S2C06 Jeopardy Review

19. Nuclear Chemistry 100 S2C06 Jeopardy Review Produced in nuclear reactions, but do not change the nucleus by themselves.

20. Nuclear Chemistry 200 A: What is radioactivity? S2C06 Jeopardy Review The spontaneous decomposition of a nucleus to form another nucleus and produce one or more particles.

21. Nuclear Chemistry 300 The nuclear equation for the beta decay of 120 Cs. S2C06 Jeopardy Review 55

22. Nuclear Chemistry 400 A: What is 83 ? If the number of protons in the nucleus exceeds this, then the nuclide is radioactive S2C06 Jeopardy Review

23. Nuclear Chemistry 500 Protactinium-229 goes through two alpha decays and releases three gamma rays. S2C06 Jeopardy Review

24. I’m feeling lucky 100 A: What is zero? The mass of a gamma particle. S2C06 Jeopardy Review

25. I’m feeling lucky 200 A: What is a cathode ray tube? An evacuated glass through which a stream of electrons is passed S2C06 Jeopardy Review

26. I’m feeling lucky 300 A: Who is Joseph Gay-Lussac? S2C06 Jeopardy Review The balloonist who determined that gasses combine in definite ratios by volume.

27. I’m feeling lucky 400 A: What are earth, air, fire and water? The Greek natural philosophers were the first to try to explain why chemical changes occur using this four element system. S2C06 Jeopardy Review

28. I’m feeling lucky 500 A: What is an allotrope? Different forms of the same element. S2C06 Jeopardy Review