Periodic Table Crossword

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Across
  1. 2. What is a property of transition metals
  2. 3. What group is iron in?
  3. 6. what are negative ions called?
  4. 8. Who was credited with designing the frist periodic table
  5. 11. What group is Cerium in?
  6. 12. What is a property of Halogens
  7. 14. What kind of elemnt is Boron?
  8. 15. What is a property of Lathanides?
  9. 16. What group is Neon in?
  10. 18. valance electrons are the ____ electrons.
  11. 21. What is a property of Nobel Gases?
  12. 22. What is a property of nonmetals?
  13. 25. do metals gain or loose electrons?
  14. 28. what do the dots around the element symbol represent?
  15. 29. What is a property of metalloids?
Down
  1. 1. What group is sodium in?
  2. 4. What group is Uranium in?
  3. 5. What group is Calcium in?
  4. 7. What kind of elemnt is Hydrogen?
  5. 9. What is a property of metals?
  6. 10. What is a property of Actinides?
  7. 13. How the modern periodic table was organzied
  8. 17. what is a property of Alkali Metals?
  9. 19. What non metal is the most reactive?
  10. 20. what are the postivie ions called?
  11. 23. What group is flourine in?
  12. 24. What is a property of Alkaline earth Metals?
  13. 26. What kind of element is lithium?
  14. 27. What metal is the most reactive?