Name: _________________________________ Date: ____________________ Period: _______ Chapter Five Study Guide 1. You need to be able to label all sections of the periodic table. (Alkali metals, Alkaline Earth metals, Transition metals, Metalloids, Halogens, Noble Gases, Rare Earth metals.) 2. What do the group numbers represent? ________________________________________ ___________________________________________________________________________ 3. What do the period numbers represent? ________________________________________ ___________________________________________________________________________ 4. Define Valence Electron: ___________________________________________________ ___________________________________________________________________________ 5. How do valence electrons affect an element? ___________________________________ ___________________________________________________________________________ 6. Define energy levels: ______________________________________________________ ___________________________________________________________________________ 7. How do energy levels affect an element? ______________________________________ ___________________________________________________________________________ 8. Explain where the most reactive metals and non-metals are in the periodic table and why? ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ 9. What does the atomic number represent? ______________________________________ ___________________________________________________________________________ 10. What does the mass number represent? ________________________________________ ___________________________________________________________________________ 11. Why are the noble gases non-reactive? ________________________________________ ___________________________________________________________________________ 12. Define Malleable: _________________________________________________________ ___________________________________________________________________________ 13. Define Ductile: ___________________________________________________________ ___________________________________________________________________________ Name: _________________________________ Date: ____________________ Period: _______ 14. What group of elements conducts heat and electricity the best? _____________________ ___________________________________________________________________________ 15. Define Isotope: ___________________________________________________________ ___________________________________________________________________________ 16. How do you find the number of neutrons? _____________________________________ ___________________________________________________________________________ 17. How do you find the number of electrons? _____________________________________ ___________________________________________________________________________ 18. Explain the steps of finding an elements average atomic mass. HINT – Use you Pastanium experiment: ________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ 19. What are the electrons doing when you see light, fire, fireworks, and/or feel heat? ______ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ 20. What scientist had the idea of arranging the elements in the periodic table according to their chemical and physical properties? ________________________________________ 21. Define Soluble: __________________________________________________________ ___________________________________________________________________________ 22. Define Precipitate: ________________________________________________________ ___________________________________________________________________________ 23. Use the percent abundance data to calculate the average atomic mass of the following elements. (Show your work!) a. Europium: Percent Abundance = 47.82% Atomic mass = 151 Percent Abundance = 52.18% Atomic mass = 152 b. Uranium: Percent Abundance = 0.70% Percent Abundance = 99.30% Atomic mass = 234 Atomic mass = 238 Name: _________________________________ Date: ____________________ Period: _______ Use the following information to identify the elements. 24. Halogen with 3 energy levels: _______________________________________________ 25. Element with 3 energy levels and 2 valence electrons: ____________________________ 26. Noble gas with 5 energy levels: ______________________________________________ 27. Element with 6 energy levels and 1 valence electron: _____________________________ 28. Alkali metal with 4 energy levels: ____________________________________________ 29. Element with 3 energy levels and 5 valence electrons: ____________________________ 30. Alkaline Earth metal with 3 energy levels: _____________________________________ 31. Any metal with 4 energy levels: _____________________________________________ 32. Any nonmetal with 4 energy levels: __________________________________________ 33. Element with 2 energy levels and 8 valence electrons: ____________________________ 34. Any element with 3 valence electrons: ________________________________________ 35. Element with 1 energy level and 1 valence electron: _____________________________ 36. Element with 2 energy levels and 2 valence electrons: ____________________________ 37. Halogen with 4 energy levels: _______________________________________________ Circle the more reactive element. 38. Li or NA 39. Cl or F 40. Xe or I 41. S or Rn 42. Li or Be 43. I or F 44. Ba or Ra 45. Na or Mg 46. Te or I 47. Ca or Rn 48. Be or Cr 49. K or Mg 50. Cl or Ar