CHEMISTRY Crossword Puzzle

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Across
  1. 5. Change in form, not in composition
  2. 6. Homogeneous mixture of two or more substances
  3. 8. Substance that produces OH- ions in water
  4. 12. Type of matter with a fixed composition and distinct properties
  5. 13. Property that doesn't depend on amount
  6. 15. Carbon-based substances in living things
  7. 17. Solid changes directly to gas
  8. 19. Process where liquid turns into vapor
  9. 20. Method used to separate solids from liquids
Down
  1. 1. Elements with both metal and nonmetal characteristics
  2. 2. Mixture with a uniform composition
  3. 3. Mixture with particles that don't settle
  4. 4. Combination of two or more substances, not chemically joined
  5. 7. Mixture with large particles that settle over time
  6. 9. Property that depends on the amount of matter
  7. 10. Change that forms a new substance
  8. 11. Mixture with visibly different parts
  9. 14. Separation by boiling point difference
  10. 16. Mass per unit volume of a substance
  11. 18. Bond formed by transferring electrons