Periodic Table Project Puzzle 4

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Across
  1. 1. A metal period three
  2. 3. This group is silvery gray and extremely soft
  3. 7. Electrons found in the outermost shell and represent the dots in the Lewis Dot Structure are called __________ ___________
  4. 8. The number of dots on the Lewis Dot Structure for Nitrogen
  5. 11. An alkali metal
  6. 12. These elements are colorless, tasteless, and odorless
  7. 13. Alkaline earth metals have a charge of _____________
  8. 14. Moseley organized the periodic table based on increasing atomic ______.
  9. 15. He created the first periodic table, but it went unpublished for "incompleteness"
  10. 19. These elements are radioactive and many are man-made
  11. 20. Organized the periodic table based on atomic mass and was published in 1969
  12. 22. Metals become positive ions called _________
  13. 23. Lanthanides _________ when exposed to air
  14. 25. Copper can be found in this periodic table group
  15. 27. Transition metals are very good _________ of heat and electricity
  16. 28. The only nonmetal to the left of staircase
  17. 29. Most reactive nonmetal group
Down
  1. 1. This group is what Calcium is classified as
  2. 2. Uranium is an element in this group
  3. 4. Nonmetals become negative ions called ________
  4. 5. The most reactive metal
  5. 6. Noble gases are essentially __________, inert
  6. 9. Fluorine is found in this periodic table group
  7. 10. These type of elements contain properties of both metals and nonmetals
  8. 16. These type of elements are poor conductors, dull
  9. 17. These type of elements are good conductors, shiny
  10. 18. Oxygen has an ionic charge of ________.
  11. 21. Ionic charge for potassium
  12. 24. A metalloid on the periodic table
  13. 26. Neon is found in this periodic table group