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# Semester 1 Review Jeopardy

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### Semester 1 Review Jeopardy

1. 1. Chemistry Semester 1 Jeopardy
2. 2. Unit 1 100 Unit 5 Unit 4 Unit 3 Unit 2 200 300 400 500 100 100 100 100 200 300 400 500 200 300 400 500 200 200 300 300 400 400 500 500
3. 3. Identify this piece of equipment A Unit 1 for 100
5. 5. How many significant figures are in 0.0024030? A Unit 1 for 200
6. 6. How many significant figures are in 0.00 24030 ? Five significant figures
7. 7. Convert 150 mm into km A Unit 1 for 300
8. 8. Convert 150 mm into km 0.000150 km
9. 9. What is the sum of 0.04 + 1.5 + 137 to the correct number of significant figures? A Unit 1 for 400
10. 10. What is the sum of 0.04 + 1.5 + 137 to the correct number of significant figures? 0.04 + 1.5 + 137 = 138.54  139
11. 11. Convert 12 cm into inches using the conversion 1 in = 2.54 cm A Unit 1 for 500
12. 12. Convert 12 cm into inches using the conversion 1 in = 2.54 cm 12 cm * = 4.7 in
13. 13. Color is what type of property? A Unit 2 for 100
14. 14. Color is what type of property? Physical Property
15. 15. Freezing of water is what kind of change? A Unit 2 for 200
16. 16. Freezing of water is what kind of change? Physical change
17. 17. Define heterogeneous A Unit 2 for 300
18. 18. Define heterogeneous A mixture with two or more distinctive parts (salad, pepperoni pizza)
19. 19. What are the five ways to verify a chemical reaction? A Category 2 for 400
20. 20. <ul><li>What are the five ways to verify a chemical reaction? </li></ul><ul><ul><li>Light emitted </li></ul></ul><ul><ul><li>Heat emitted/absorbed </li></ul></ul><ul><ul><li>Precipitate formed </li></ul></ul><ul><ul><li>Bubbles produced </li></ul></ul><ul><ul><li>Color Change </li></ul></ul>
21. 21. A Unit 2 for 500 Identify the areas of the graph Boiling Melting Freezing Contensing Solid Liquid Gas
22. 22. Solid Gas Liquid Boiling / Condensing Melting / Freezing
23. 23. What is a positive ion called? A Unit 3 for 100
24. 24. What is a positive ion called? A cation
25. 25. Which particles are responsible for the mass of an atom? A Unit 3 for 200
26. 26. Which particles are responsible for the mass of an atom? Protons & neutrons
27. 27. How many neutrons are present in an atom of carbon with a mass of 14? A Unit 3 for 300
28. 28. How many neutrons are present in an atom of carbon with a mass of 14? # neutrons = mass – atomic # 8 = 14 - 6
29. 29. What is the correct symbol for an element with 11 protons, 10 electrons and 9 neutrons? A Unit 3 for 400
30. 30. What is the correct symbol for an element with 11 protons, 10 electrons and 9 neutrons?
31. 31. Explain Rutherford’s Gold Foil experiment and what he discovered about the atom A Unit 3 for 500
32. 32. Explain Rutherford’s Gold Foil experiment and what he discovered about the atom Since most of the alpha particles passed through the foil, atoms must be mostly empty space. Some of the positively charged particles bounced back showing that there was a small dense area of positive charge with mass in the center of the atom (the nucleus)
33. 33. What part of a radioactive atom is unstable? A Unit 4 for 100
34. 34. What part of a radioactive atom is unstable? The nucleus
35. 35. The half life of radon-222 is 20 minutes. After how many minutes is there only 12.5% of the parent isotope left? A Unit 4 for 200
36. 36. The half life of radon-222 is 20 minutes. After how many minutes is there only 12.5% of the parent isotope left? Amount Half life Time 100% 0 0 50% 1 20 min 25% 2 40 min 12.5% 3 60 min
37. 37. What particle is emitted when cabon-14 decays into nitrogen-14? A Unit 4 for 300
38. 38. What particle is emitted when cabon-14 decays into nitrogen-14? A beta particle C  N + e
39. 39. Which two types of decay produce the same product? A Unit 4 for 400
40. 40. Which two types of decay produce the same product? Electron capture and positron emission C + e  B C  B + e
41. 41. Describe the mass and atomic number of an alpha particle AND its penetrating power A Unit 4 for 500
42. 42. Describe the mass and atomic number of an alpha particle AND its penetrating power Mass (protons + neutrons) = 4 Atomic Number (protons) = 2 Penetrating Power = low (too massive)
43. 43. What is the charge on an atom in group 5? A Unit 5 for 100
44. 44. What is the charge on an atom in group 5? An atom in group 5 has 5 valence electrons, it wants to gain 3 more. The charge will be -3
45. 45. Give the electron configuration for Bromine A Unit 5 for 200
46. 46. Give the electron configuration for Bromine Full: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 5 Noble Gas Shorthand: [Ar] 4s 2 3d 10 4p 5
47. 47. What happens to atomic radius (size) moving down a group? WHY? A Unit 5 for 300
48. 48. What happens to atomic radius (size) moving down a group? Down a group the radius increases because each new period requires the use of new orbitals (1s to 2s to 3s…etc)
49. 49. What happens to the atomic radius (size) moving across a period to the right? WHY? A Unit 5 for 400
50. 50. What happens to the atomic radius (size) moving across a period to the right? The size of an atoms gets smaller moving across a period because the number of protons increase, pulling the electrons in the orbital in tighter
51. 51. Is the trend for ionization energy the same or the opposite of the trend for atomic radius? WHY? A Unit 5 for 500
52. 52. Is the trend for ionization energy the same or the opposite of the trend for atomic radius? WHY? The trend for ionization energy is OPPOSITE ; as the size (radius) of the atom increases it is easier to remove an electron- therefore the energy required to form an ion is lower