Chemistry & Chemical Safety

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051
Across
  1. 3. Sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
  2. 8. Substances that allow oil and water to mix, or emulsify
  3. 10. Also known as bases; compounds that react with acids to form salts
  4. 11. Prolonged, repeated, or long-term exposure that can cause sensitivity
  5. 12. Characteristics that can be determined only by a chemical reaction and involve a chemical change in the substance
  6. 13. Molecule containing two or more atoms of the same element in definite (fixed) proportions
  7. 18. Subatomic particles with a negative charge
  8. 19. Also known as compounds; a chemical combination of two or more atoms of different elements in definite (fixed) proportions
  9. 22. A stable, uniform mixture of two or more substance
  10. 23. The basic unit of matter, with a nucleus at the center surrounded by negatively charged electrons that move around the nucleus in orbits.
  11. 25. A substance that releases oxygen
  12. 26. Liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
  13. 27. Chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
  14. 31. A chemical combination of matter in definite (fixed) proportions
  15. 32. A substance that may cause cancer but not always
  16. 34. Having an affinity for or an attraction to fat and oils (oil-loving)
  17. 41. A physical combination of matter in any proportion
  18. 43. A substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  19. 44. Alkaline substances used to neutralize acids or raise the pH of many hair products
  20. 47. Liquids that are not capable of being mixed together to form stable solutions
  21. 49. A change in the form or physical properties of a substance, without a chemical reaction or the creation of a new substance
  22. 50. The separation of an atom or molecule into positive and negative ions
  23. 51. A very strong alkali used in chemical products and cleaners; commonly known as lye
Down
  1. 1. A solution that has a pH above 7
  2. 2. Alcohols that evaporate easily, such as isopropyl alcohol
  3. 4. An ion with a positive electrical charge
  4. 5. An unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
  5. 6. Characteristics that can be determined without a chemical reaction and do not involve a chemical change in the substance
  6. 7. A solution that has a pH below 7
  7. 9. The science that deals with the composition, structures, and properties of matter and how matter changes under different conditions.
  8. 12. A substance that causes or is believed to cause cancer
  9. 14. Easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
  10. 15. Substances that should not be mixed or even stored near each other
  11. 16. Subatomic particles with a positive charge
  12. 17. Rapid Oxidation of a substance accompanied by the production of heat and light
  13. 20. Special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
  14. 21. The simplest form of chemical matter and contains only one type of atom.
  15. 24. The substance that dissolves the solute and makes the solution
  16. 28. An atom or molecule that carries an electrical charge
  17. 29. Chemical reaction that releases a significant amount of heat
  18. 30. Required by law for all products sold; include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
  19. 33. A colorless liquid or white crystals with a strong, unpleasant odor that is used in permanent waving solutions
  20. 35. Colorless gas with a pungent odor that is composed of hydrogen and nitrogen
  21. 36. An ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
  22. 37. A change in the chemical composition or makeup of a substance
  23. 38. Any substance that occupies space and has mass (weight).
  24. 39. Subatomic particles with no charge
  25. 40. Unstable physical mixtures of undissolved particles in a liquid
  26. 42. A chemical combination of two or more atoms in definite (fixed) proportions
  27. 45. An ion with a negative electrical charge
  28. 46. An alpha hydroxy acid used in exfoliation and to lower the pH of products
  29. 48. The substance that is dissolved in a solution