Chapter 12: Chemistry Crossword

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Across
  1. 5. sweet, colorless, oily substance used as a solvent & moisturizer in skin & body creams
  2. 7. change in the form or physical properties of a substance without the formation of a new substance
  3. 10. water droplets emulsified in oil
  4. 11. oil loving
  5. 14. a colorless gas with a pungent odor. Composed of hydrogen & nitrogen
  6. 15. the chemical reaction in which either oxygen is subtracted from, or hydrogen is added to, a substance
  7. 18. chemical combination of matter in definite proportions
  8. 19. the simplest form of matter; it cannot be broken down into a simpler substance without the loss of its identity
  9. 22. characteristics that can only be determines by a chemical reaction and a chemical change in the substance
  10. 26. chemical reactions that produce heat
  11. 31. solutions that have a pH above 7.0, & turn litmus paper from red to blue
  12. 35. a stable mixture of two or more mixable substances
  13. 37. study of substances that contain carbon
  14. 38. an ion with a negative electrical charge
  15. 39. chemistry study of substances that do not contain carbon
  16. 40. to subtract oxygen from or add hydrogen to a substance
  17. 42. a chemical combination of atoms of the same element
  18. 44. solutions that have a pH below 7.0, & turn litmus paper from blue to red
  19. 46. surface active agents; substances that act as a bridge to allow oil & water to mix/emulsify
  20. 47. substance that is dissolved in a solution
  21. 48. measures the acidity & alkalinity of a substance
Down
  1. 1. special type of oil used in hair conditioners & as water-resistant lubricants for the skin
  2. 2. a substance that releases oxygen
  3. 3. an unstable mixture of undissolved particles in a liquid
  4. 4. substances containing carbon that evaporate quickly & easily
  5. 6. change a change in the chemical & physical properties of a substance due to a chemical reaction that creates a new substance or substances
  6. 8. an unstable mixture of two or more immiscible substances with the aid of an emulsifier
  7. 9. oil droplets emulsified in water
  8. 12. rapid oxidation of a substance, accompanied by the production of heat & light
  9. 13. the science that deals with the composition, structure, & properties of matter, & how matter changes under various conditions
  10. 16. smallest particle of an element that still retains the properties of that element
  11. 17. a chemical combination of two or more atoms
  12. 20. substance that dissolves the solute to form a solution
  13. 21. combinations of two or more atoms of different elements chemically joined together
  14. 23. separation of an atom or molecule into positive & negative ions
  15. 24. substances used to neutralize acids or raise the pH of many hair products
  16. 25. characteristics that can be determined without a chemical reaction & that do not cause a chemical change in the substance
  17. 27. contraction for reduction-oxidation; chemical reaction in which the oxidizing agent is reduced & the reducing agent is oxidized
  18. 28. a chemical reaction that combines a substance with oxygen to produce an oxide
  19. 29. multiples of ten
  20. 30. not capable of being mixed
  21. 32. easily evaporating
  22. 33. an atom or molecule that carries an electrical charge
  23. 34. physical combination of matter, in any proportion
  24. 36. water loving
  25. 41. an ion with a positive electrical charge
  26. 43. capable of being mixed with another liquid in any proportion without separating
  27. 45. any substance that occupies space & has a mass (weight)