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Across 1. a base that completely dissociates into ions when dissolved in water 6. ion produced when water molecule loses a hydrogen ion 7. bases have a ____ feel 10. litmus turns this color with a base 13. bases have a pH ____ than 7 14. nonmetal oxide that forms acids when they react with water 17. metal oxide that forms bases when it reacts with water 19. process of forming ions in solution 20. when lye is combined with animal fat it forms this product 21. substance that produces hydronium ions when it dissolves in water 22. these gases are commonly found in the exhaust in cars 25. taste of bases 28. metal-acid reactions are the most common kind of this reaction 29. most common acid-base indicator 30. acid with three hydrogens 31. bases have a higher number of these ions 33. a difference of 3 pH units means the hydronium ion concentration is 35. taste of acids 36. an acid that partially ionizes in solution 37. source of most sulfur oxides 39. bases react with ____ in our skin and remove skin cells 41. each unit of the pH scale represents a power of ____

Down 2. an acid that completely dissociates into ions when dissolved in water 3. used to describe the concentration that has many ions and less water 4. used to describe the concentration that has few ions and more water 5. consists of a hydrogen ion attaches to a water molecule 8. most familiar acidic anhydride 9. acid formed in carbonated water 11. dyes that are often used to indicate whether substances are acids or bases 12. any hydrogen atom that can be transferred to water 15. acids have a higher number of these ions 16. acids have a pH ____ than 7 18. base that partially ionizes in solution 23. a nonmetal oxide that forms acid rain 24. acid with one hydrogen 26. aqueous solution that can conduct electricity 27. substance that produces hydroxide ions 31. acids react with metals that are more reactive than _______ 32. acid with two hydrogens 34. neutral on the pH scale 37. mathematical scale in which the concentration of hydronium ions in a solution 38. ash from burning wood is combined with water to produce this solution 40. litmus turns this color with an acid