2. Jeopardy Nature of Science Atoms and their Electrons Periodic Table Formulas & Equations Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy Matter & Change

3. Nature of Science for $100 The illustration shows volume levels of a liquid in a graduated cylinder before and after a sample was removed. What is the volume of the sample? A. 47mL C. 20mL B. 38mL D. 9mL

4. $100 Answer from Nature of Science A. 47mL B. 28mL C. 20mL D. 9mL

5. Nature of Science for $200 When using the chemical acetone in the lab for cleaning test tubes, students should avoid experiments where they A Heat water with an open flame B Pour hydrochloric acid into a beaker C Filter precipitates from a liquid solution D Collect oxygen from plants in a test tube

6. $200 Answer from Nature of Science A Heat water with an open flame B Pour hydrochloric acid into a beaker C Filter precipitates from a liquid solution D Collect oxygen from plants in a test tube

7. Nature of Science for $300 According to this information, what is the best prediction for the boiling point of the seven carbon alcohol? A 169°C B 178°C C 186°C D 192°C

8. $300 Answer from Nature of Science A 169°C B 178°C C 186°C D 192°C

9. Nature of Science for $400 The diagram shows different setups of an experiment to determine how sharks find their prey. Which experimental setup is the control? Q, R, S, or T

10. $400 Answer from Nature of Science Q, R, S, or T

11. Nature of Science for $500 Which of these would provide the best scientific support for the information on the label? A.Data that indicate the gender and average age of consumers. B. A survey showing that many people prefer pearl calcium. C. Records that show few requests for money back. D. A controlled study showing the effectiveness of pearl calcium.

12. $500 Answer from Nature of Science A. Data that indicate the gender and average age of consumers. B. A survey showing that many people prefer pearl calcium. C. Records that show few requests for money back. D. A controlled study showing the effectiveness of pearl calcium.

13. Matter and Changes for $100 Which of these are composed of two or more different substances that are chemically combined in a definite ratio? A. Compounds B. Elements C. Mixtures D. Solutions

14. $100 Answer Matter and Changes A. Compounds B. Mixtures C. Elements D. Solutions

15. Matter and Change for $200 Aluminum chloride is a solid used in many antiperspirants and deodorants. It contains one aluminum ion for every 3 chlorine ions. What type of matter is aluminum chloride? A. covalent compound B. element C. molecular compound D. ionic compound

16. $200 Answer from Matter and Change A. covalent compound B. element C. molecular compound D. ionic compound

17. Matter and Change for $300 Which of the following changes involved in making your lunch is a chemical change? A. Grinding grains of wheat into wheat flour. B. Mixing the mayonnaise and the mustard on the bread. C. Baking dough to make bread. D. Adding salt and pepper to the ham.

18. $300 Answer from Matter and Change A. Grinding grains of wheat into wheat flour. B. Mixing the mayonnaise and the mustard on the bread. C. Baking the dough to make bread. D. Adding salt and pepper to the ham.

19. Matter and Change for $400 The crystals produced by a chemical reaction that separate from the solution are called the A. reactant B. molecular product C. precipitate D. mass of the solute

20. $400 Answer from Matter and Change A. reactant B. molecular product C. precipitate D. mass of the solute

21. Matter and Change for $500 Ice containing mainly fresh or pure water forms at the top of an iceberg because of decreasing air temperatures. Which of these best describes this change? A. Nuclear change B. Atomic change C. Chemical change D. Physical change

22. $500 Answer from Matter and Changes A. Nuclear change B. Atomic change C. Chemical change D. Physical change

23. Atoms and their Electrons for $100 The atomic number of an element is the total number of which particles in the nucleus? A. neutrons B. electrons C. protons D. protons and electrons

24. $100 Answer from Atoms and their Electrons A. neutrons B. electrons C. protons D. protons and electrons

25. Atoms and their Electrons for $200 How many valence electrons does the group 5A element phosphorus have? A. 2 B. 5 C. 7 D. 15

26. $200 Answer from Atoms and their Electrons A. group 2 B. group 5 C. group 7 D. group 15

27. Atoms and their Electrons for $300 An electrically neutral atom of mercury (Hg) has A. 80 neutrons and 80 electrons B. 80 protons and 80 neutrons C. 40 protons and 40 electrons D. 80 protons and 80 electrons

28. $300 Answer from Atoms and their Electrons A. 80 neutrons and 80 electrons B. 80 protons and 80 neutrons C. 40 protons and 40 electrons D. 80 protons and 80 electrons

29. Atoms and their Electrons for $400 The element with which of the following electron configurations has the largest atomic radius? A. [Ne]3s1 B. [Ne]3s23p4 C. [Ar] 4s1 D. [He]2s22p5

30. $400 Answer from Atoms and their Electrons A. [Ne]3s1 B. [Ne]3s23p4 C. [Ar] 4s1 D. [He]2s22p5

31. Atoms and their Electrons for $500 An element’s electron configuration is 1s 2, 2s 2, 2p 5. To what group does this element belong? A. group 2 B. group 5 C. group 7 D. group 17

32. $500 Answer from Atoms and their Electrons A. group 2 B. group 5 C. group 7 D. group 17

33. Periodic Table for $100 Which of the following groups contains members with similar chemical reactivity? A. N, O, and F B. Ti, V, and Nb C. Li, Na, and K D. Be, Mg, and H

34. $100 Answer from Periodic Table A. N, O, and F B. Ti, V, and Nb C. Li, Na, and K D. Be, Mg, and H

35. Periodic Table for $200 From its location on the periodic table, which of the following elements would most likely share three pairs of electrons with other atoms? A. N B. O C. Si D. Al

36. $200 Answer from Periodic Table A. N B. O C. Si D. Al

37. $300 Question from Periodic Table Based on their location on the periodic table, which of the following pairs of atoms would most likely form ionic bonds? A. N and O B. P and Cl C. Li and Br D. Fe and Mg

38. $300 Answer from Periodic Table A. N and O B. P and Cl C. Li and Br D. Fe and Mg

39. Periodic Table for $400 Elements in the same group have similar chemical and physical properties due to: A. number of valence electrons B. atomic radius C. nuclear charge D. energy level of outer electrons

40. $400 Answer from Periodic Table A. number of valence electrons B. atomic radius C. nuclear charge D. energy level of outer electrons

41. Periodic Table for $500 Elements in group 16 of the periodic table usually A. form large molecules B. act like metals C. gain electrons when bonding D. are non-reactive

42. $500 Answer from Periodic Table A. form large molecules B. act like metals C. gain electrons when bonding D. are non-reactive

43. Formulas & Equations for $100. In the correct electron dot notation for N, the symbol N is surrounded by A. two pair of dots and one single dot B. one pair of dots and three single dots C. two pairs of dots D. five single dots

44. $100 Answer from Formulas & Equations A. two pair of dots and one single dot B. one pair of dots and three single dots C. two pairs of dots D. five single dots

45. Formulas & Equations for $200 Carbon monoxide (CO) burns readily in (O 2 ), forming carbon dioxide (CO 2 ): __CO(g) + __O 2 (g) __CO 2 (g) What coefficient values will balance the reaction shown above? A. 2,2,1 C. 2,1,2 B. 1,1,1 D. 1,2,2

46. $200 Answer from Formulas & Equations A. 2,2,1 C. 2,1,2 B. 1,1,1 D. 1,2,2

47. Formulas & Equations for $300 Which of the following equations shows conservation of mass? A. 2k 2 CrO 4 + Pb (NO 3 ) 2 2KNO 3 + PbCrO 4 B. 2k 2 CrO 4 + Pb (NO 3 ) 2 KNO 3 + PbCrO 4 C. K 2 CrO 4 + Pb (NO 3 ) 2 2KNO 3 + PbCrO 4 D. K 2 CrO 4 + Pb (NO 3 ) 2 KNO 3 + PbCrO 4

48. $300 Answer from Formulas & Equations A.2k 2 CrO 4 + Pb (NO 3 ) 2 2KNO 3 + PbCrO 4 B. 2k 2 CrO 4 + Pb (NO 3 ) 2 KNO 3 + PbCrO 4 C. K 2 CrO 4 + Pb (NO 3 ) 2 2KNO 3 + PbCrO 4 D. K 2 CrO 4 + Pb (NO 3 ) 2 KNO 3 + PbCrO

49. Formulas & Equations for $400 Name the formula Cr 2 (SO 4 ) 3 using the Stock system. A.Chromic sulfate B.Chromous sulfate C.Chromium (II) sulfate D.Chromium (III) sulfate

50. $400 Answer from Formulas & Equations A.Chromic sulfate B.Chromous sulfate C.Chromium (II) sulfate D. Chromium (III) sulfate

51. Formulas & Equations for $500 The reaction Cl 2 (g) + 2KBr(aq)  2KCl (aq) + Br 2 (l) is a(n) A.synthesis reaction B.single-replacement C.double-replacement reaction D.ionic reaction E.combustion reaction

52. $500 Answer from Formulas & Equations A.synthesis reaction B. single-replacement C. double-replacement reaction D. ionic reaction E. combustion reaction

53. Final Jeopardy What is the correct formula for the compound Iron III Sulfate?

54. Final Jeopardy What is the correct formula for the compound Iron III Sulfate? What is your bet? What is your answer?

55. Final Jeopardy Answer Fe 2 (SO 4 ) 3