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Name___________________________________________ Date____________________ Class_____ Final Exam DATE________________ Final Exam Review – December 2015 CHEMISTRY 8.5A 8.5B 1. Complete the chart below. 6. Complete the chart below. Subatomic Particle Proton Electrical Charge Location Mass Neutron Element Symbol Atomic Number Atomic Mass _____________________________________________________ Valence Electrons Reactivity 11 Ne Electron 2. Which particles make up the atomic mass of an atom? Protons 17 Si 7. Use the Bohr Model to identify the element and its reactivity. 3. How do you determine the number of neutrons in an atom? Element name: _____________________________________________________ ____________________ 4. Use the Bohr Model to identify the element and its properties. 11 P 12 N Element name___________________ Atomic Number__________ Reactivity: Atomic Mass____________ ____________________ Protons________________ Neutrons_______________ Electrons_______________ 5. Use the Bohr Model to identify the element and its properties. 8. Which group(s) are the most reactive? _____________________ 9. Which group(s) are the lease reactive? _____________________ Element name___________________ 8.5C Atomic Number__________ 10. Which elements have properties most similar to Silicon (Si)? Atomic Mass____________ Protons________________ Neutrons_______________ Electrons_______________ ____________________________________________________ 11. Which elements have properties most similar to Calcium (Ca)? ____________________________________________________ 6.6A 8.5D 12. What are the 4 properties of metals? 17. Complete the chart below. ____________________________________________________ Chemical Formula ____________________________________________________ TOTAL Atoms Ba(AsO3)2 13. What are the 3 properties of nonmetals? ____________________________________________________ K2HPO4 ____________________________________________________ Hg(OH)2 14. In the periodic table below, color the metals blue, the nonmetals green, and the metalloids yellow. 3H2SO3 18. How many atoms of Nitrogen are in mezalazine, C7H7NO3 ? ___________ 19. How many atoms of Hydrogen are in phenol, C6H5OH? ___________ 6.5C 8.5F 15. Complete the chart below. 17. Do the following equations follow the law of conservation of mass (balanced)? Chemical Formula H2SO4 Element or Compound??? ______ CH4 + O2 CO2 + 2H2O S8 He2 ______ 2H2S + 3O2 2H2O + SO2 KBr ______ 3BaCl2 + Al2SO4 2AlCl3 + BaSO4 7.6A 16. Complete the chart below. Chemical Formula CaCO3 C2H4 C(NH2)3NO3 CoCl2 Organic or NOT??? 18. If a chemical reaction has 50 grams of carbon in the reactants, how many grams of carbon will be present in the product? _______________ 8.5E THE UNIVERSE, SEASONS, the MOOM, & TIDES 19. What are the 7 evidences of a chemical change? 8.8A 1__________________________________________________ 2__________________________________________________ 3__________________________________________________ 4__________________________________________________ 5__________________________________________________ 6__________________________________________________ 7__________________________________________________ 22. What is a nebula? _____________________________________ ___________________________________________________ 23. Complete the table below. Type of Galaxy Picture 24. Which type of galaxy do we live in? _________________ 25. What is the name of our galaxy? _________________ 7.6B 20. When you are eating food, when the physical change occur and when does the chemical change occur? ___________________________________________________ ___________________________________________________ 6.6B 21. Complete the chart below. Substance Volume (mL) Mass (g) A 3 36 B 14 70 C 20 50 D 9 72 Density (g/mL) Use the H-R diagram to answer questions 26 – 29. 26. According to the H–R diagram, which type of stars are the brightest? 8.8C Use the diagram below to answer questions 33 – 35. ______________________________ 27. According to the H–R diagram, which type of stars have the highest surface temperature? ______________________________ 28. According to the H–R diagram, which type of stars are in spectral class B and have low luminosity? ______________________________ 29. According to the H–R diagram, which type of stars are in spectral class K and have a luminosity of about 102? ______________________________ 8.8B 30. Describe the characteristics of the sun below. Type of star: _________________________________________ Size of the sun: _______________________________________ Color of the sun: ______________________________________ Location of the sun: ___________________________________ How much closer is the sun to Earth than any other star? ______ ____________________________________________________ 8.8D 33. Which type of wave has a frequency of 10 8? ________________ 34. Which type of wave has a frequency of 10 15? ________________ 35. What is the wavelength of X–Rays? _______________________ 36. What is the wavelength of Radio waves? ___________________ 8.7A 37. What causes Earth to have day and night? __________________ 31. What do scientists use to measure distance in space? ___________________________________________________ ___________________________________________________ 32. Why do scientists use light years? ________________________ ___________________________________________________ 38. What are the 2 causes of Earth’s seasons? __________________ ____________________________________________________ 8.7B Use the diagram below to answer questions 39 – 41. 43. What causes the moon phases? __________________________ ___________________________________________________ D 44. How long is one complete lunar cycle? _____________________ 45. Complete the table below. A NAME of Moon Phase C 1. B 39. At which position is the Northern Hemisphere experiencing winter? ______________________________________________ 2. 3. 40. At which position is the Northern Hemisphere experiencing fall? ______________________________________________ 41. At which position is the Southern Hemisphere experiencing winter? ______________________________________________ 42. According to the diagram below, what season is the Southern Hemisphere experiencing? EXPLAIN your answer. 4. 5. 6. 7. 8. ___________________________________________________ ___________________________________________________ PICTURE of Moon Phase SUN 46. Label each phase of the moon in the diagram below. Pay attention to where the sun is located in this diagram and then follow the arrows. 49. According to the diagram below, at which position(s) is spring tide occurring? EXPLAIN your answer. ___________________________________________________ ___________________________________________________ 50. According to the diagram below, at which position(s) is neap tide occurring? EXPLAIN your answer. 8.7C 47. Circle the moon phase(s) when a spring tide occurs? ___________________________________________________ A B C D E F G H 48. Circle the moon phase(s) when a neap tide occurs? A B C D E F G H ___________________________________________________