Chemistry Crossword Puzzle

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Across
  1. 4. Elements that are usually dull, brittle, and poor condutors.
  2. 7. The zig-zag on the table separates these classification.
  3. 10. Elements that have a properties of both metals and nonmetals.
  4. 12. Group known for being reactive.
  5. 13. Atoms gain electrons to become this type of ion.
  6. 17. A negatively charged ion.
  7. 18. Ions form when atoms gain or lose these particals.
  8. 20. Property describing how easily a metal can shaped.
  9. 23. Reaction tendency of nobel gases.
  10. 24. Shows how many electrons are gained or lost.
  11. 25. Scientist who created the first widely recognized periodic table.
  12. 26. Reactivity trend of hologens.
  13. 28. Person who arranged elements by atomic number.
  14. 30. Elements in the top row of the f-block.
Down
  1. 1. Group including elements like iron and copper.
  2. 2. Group containing very reactive elements that form salt.
  3. 3. Vertical column on the periodic table.
  4. 5. Elements in the bottom row of the f-block.
  5. 6. Reactivity increases down this group.
  6. 8. A positively charged ion.
  7. 9. Group 2 elements.
  8. 11. A diagram that shows only valence electrons.
  9. 14. The process of losing eletcrons to form a positive ion.
  10. 15. Classifaction of elements based on repeating patterns.
  11. 16. Able to conduct heat electricity well.
  12. 19. Number of electrons in the outer energy level.
  13. 21. Property describes how shiny a metal is.
  14. 22. Group containing very reactive metals.
  15. 27. Reactivity decreases across.
  16. 29. Law that properties repeat every 8 elemnts in early organization.