Final Exam Extra Credit

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Across
  1. 2. B
  2. 6. ___ is the most reactive of the alkali metals.
  3. 12. Flying mammal
  4. 14. Elements 89 to 103 on the periodic table. All are radioactive.
  5. 15. Ni
  6. 16. Zn
  7. 22. This class of elements is located directly around the staircase.
  8. 24. Each row on the periodic table is called a ___.
  9. 26. Cu
  10. 28. This number, found in each element box, contains a decimal.
  11. 30. ___ is the most reactive of the non-metals.
  12. 32. Ca
  13. 33. Large marsupial
  14. 35. This is the short form to represent each element in its element box.
  15. 37. Each column on the periodic table is called a ___.
  16. 39. This zigzag line separates the metals from the non-metals.
  17. 40. H
  18. 41. Group ___ contains elements like fluorine, chlorine, bromine, iodine and astatine.
  19. 43. This chemical family of elements contains the second group of most reactive metals.
  20. 44. Na
  21. 47. Au
  22. 48. Si
  23. 49. The ___ is a chart that organizes elements based on their increasing atomic number and their
  24. 50. K
  25. 51. The last name of the inventor of the periodic table.
  26. 52. Pb
  27. 53. Likes to chase mice
  28. 54. Elements in Group 17 get more reactive as you go ___ the group.
  29. 57. Has a trunk
  30. 59. This chemical family of elements contains elements that do not react with other elements.
  31. 60. Group ___ contains elements like lithium, sodium, potassium, and rubidium.
  32. 62. Group ___ contains elements like helium, neon, argon, krypton and xenon.
  33. 63. Fe
Down
  1. 1. Elements in Group 1 and 2 get more reactive as you go ___ the group.
  2. 3. O
  3. 4. The metals are found to the ___ of the staircase.
  4. 5. The periodic table was invented in the year 18__
  5. 7. The non-metals are found to the ___ of the staircase.
  6. 8. Alkali metals are very reactive with ___ and may combust in its presence.
  7. 9. An older name for lanthanides.
  8. 10. N
  9. 11. Ag
  10. 13. This is the whole number found in each element square.
  11. 17. S
  12. 18. C
  13. 19. This is the full way to represent each element in its element box.
  14. 20. and chemical properties.
  15. 21. He
  16. 23. These elements form Groups 3 to 12.
  17. 25. Man's best friend
  18. 26. Cl
  19. 27. This chemical family of elements contains the most reactive metals.
  20. 29. This chemical family of elements contains the most reactive non-metals.
  21. 31. Elements 57 to 71 on the periodic table.
  22. 34. Ar
  23. 36. Be
  24. 38. As
  25. 42. These are found to the right of the staircase.
  26. 45. There are ___ periods on the periodic table.
  27. 46. The first name of the inventor of the periodic table.
  28. 55. Hg
  29. 56. Al
  30. 58. Group ___ contains elements like beryllium, magnesium, calcium and strontium.
  31. 59. Ne
  32. 61. These are found to the left of the staircase.