Milady Chapter 12 Basics of Chemistry (4)

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Across
  1. 2. Oils, waxes and nail polish have no pH because they contain no ?
  2. 3. A pH below 7.
  3. 5. A pH above 7.
  4. 11. pH of 4.5 to 5.5 (average pH of 5).
  5. 12. The pH of 7 is ?.
  6. 13. The separation of an atom or molecule into positive and negative ions.
  7. 14. An atom or molecule that carries an electric charge.
  8. 15. Science that deals with the composition, structures and properties of matter and how matter changes under different conditions.
  9. 16. When acids and alkalis are mixed together in equal proportions, they ? each other to form water.
  10. 18. The pH ? has a range from 0 to 14.
Down
  1. 1. An ion with a positive electrical charge.
  2. 4. Alpha hydroxy acid used in exfoliation and to lower the pH of products.
  3. 6. Multiples of 10.
  4. 7. ? water can cause the hair to swell as much as twenty percent.
  5. 8. Also known as bases, owe their chemical reactivity to the hydroxide ion.
  6. 9. An acid;colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions.
  7. 10. An ion with a negative electrical charge.
  8. 17. The pH scale is a logarithmic scale, a change of one whole number represents a ? change in pH.