Final Exam Extra Credit

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Across
  1. 3. This is the full way to represent each element in its element box.
  2. 6. The first name of the inventor of the periodic table.
  3. 7. This number, found in each element box, contains a decimal.
  4. 10. and chemical properties.
  5. 12. There are ___ periods on the periodic table.
  6. 14. Group ___ contains elements like lithium, sodium, potassium, and rubidium.
  7. 15. These are found to the right of the staircase.
  8. 20. Elements in Group 1 and 2 get more reactive as you go ___ the group.
  9. 21. These are found to the left of the staircase.
  10. 23. Elements in Group 17 get more reactive as you go ___ the group.
  11. 24. This chemical family of elements contains the second group of most reactive metals.
  12. 25. Alkali metals are very reactive with ___ and may combust in its presence.
  13. 26. ___ is the most reactive of the non-metals.
  14. 27. This is the short form to represent each element in its element box.
  15. 28. This chemical family of elements contains the most reactive non-metals.
  16. 29. This zigzag line separates the metals from the non-metals.
  17. 32. The last name of the inventor of the periodic table.
  18. 33. Each column on the periodic table is called a ___.
Down
  1. 1. Each row on the periodic table is called a ___.
  2. 2. The metals are found to the ___ of the staircase.
  3. 4. These elements form Groups 3 to 12.
  4. 5. The periodic table was invented in the year 18__
  5. 8. Group ___ contains elements like fluorine, chlorine, bromine, iodine and astatine.
  6. 9. The ___ is a chart that organizes elements based on their increasing atomic number and their
  7. 11. This is the whole number found in each element square.
  8. 13. ___ is the most reactive of the alkali metals.
  9. 16. This class of elements is located directly around the staircase.
  10. 17. This chemical family of elements contains elements that do not react with other elements.
  11. 18. Group ___ contains elements like helium, neon, argon, krypton and xenon.
  12. 19. This chemical family of elements contains the most reactive metals.
  13. 22. Fe
  14. 30. Group ___ contains elements like beryllium, magnesium, calcium and strontium.
  15. 31. The non-metals are found to the ___ of the staircase.