Chemistry Crossword

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Across
  1. 4. One name for the vertical columns on the periodic table
  2. 6. Used to decrease the concentration of a solution
  3. 8. Name for group 17 elements
  4. 10. These are used to speed up a chemical reaction
  5. 11. ________ compounds are formed between a cation and anion
  6. 12. Changing phase is an example of a ___________ change
  7. 14. The SI base unit of distance in the metric system
  8. 17. A reaction where a hydrocarbon burns in oxygen
  9. 19. Bunsen _______________
  10. 21. A reaction that releases heat from the system
  11. 23. Element P
  12. 25. kg unit
  13. 27. A mixture with non-uniform appearance
  14. 29. Will produce H+ ions when in water
  15. 30. Will produce OH- when in water
  16. 31. Used to measure the mass of something in the lab
  17. 33. Element F
  18. 34. The center of an atom that contains both protons and neutrons
  19. 35. A negatively charged ion
  20. 36. A temperature scale used in science
Down
  1. 1. A naturally occurring radioactive element
  2. 2. Worn to protect your eyes in the lab
  3. 3. A bond between two atoms sharing electrons
  4. 5. Substances to the left of the arrow in a chemical reaction
  5. 7. A negatively charged subatomic particle
  6. 9. Subatomic particle with no charge
  7. 13. A solution in which water is the solvent
  8. 15. A reaction that produces only one product
  9. 16. The name for a substance with two or more atoms chemically bonded to one another
  10. 18. A measure of the average kinetic energy in a substance
  11. 20. The lightest noble gas element
  12. 22. We need this element to live
  13. 24. One name for the horizontal rows on the periodic table
  14. 26. Aluminum is categorized as a ______________
  15. 28. One of the most common solvents
  16. 32. The state of matter with very little space between atoms