Chemistry Crossword Puzzle

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Across
  1. 1. science of obtaining, processing, and communicating information about the composition and structure of matter
  2. 5. chemical reaction that involves the moving of electrons
  3. 6. temperature at which the solid and liquid phases of a substance are in equilibrium at a specified pressure
  4. 10. measurement of the extent of something along its greatest dimension
  5. 13. ratio between mass and volume or mass per unit volume
  6. 15. study of chemical reactions that take place in living things
  7. 18. unit of thermodynamic temperature
  8. 19. process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure.
  9. 20. type of phase transition, or a change in a state of matter, just like melting, freezing, and evaporation
  10. 21. quality of a substance with respect to light reflected by the object
  11. 22. composed of loosely packed particles and has an indefinite shape
  12. 25. quantity of energy of motion of the component particles
  13. 31. temperature at which the vapor pressure of a liquid equals the external pressure surrounding the liquid
  14. 32. particles have a great deal of space between them and have high kinetic energy
  15. 34. smallest unit of matter
  16. 35. characteristic that can be determined without changing the substance’s chemical identity
  17. 38. property that does not change as the amount of matter changes
  18. 42. chemically the simplest substances, composed of one atom
  19. 43. amount of matter in an object
  20. 44. unit of luminous intensity
  21. 47. material made up of two or more different substances which are physically combined
  22. 48. mixture consists of visibly different substances or phases
  23. 49. property that changes when the amount of matter changes
Down
  1. 2. substance formed when two or more chemical elements are chemically bonded together
  2. 3. unit of amount in chemistry
  3. 4. process used to separate solids from liquids or gases using a filter
  4. 7. degree to which a chemical substance can damage an organism
  5. 8. characteristic that can be determinedby changing a substance’s molecular structure
  6. 9. study of the structure, properties, and preparation of chemical compounds
  7. 11. ability of a chemical to burn or ignite, causing fire or combustion
  8. 12. study of the properties and behaviour of inorganic compounds
  9. 14. tendency of a substance to undergo chemical reaction to release energy.
  10. 16. method of heating a liquid to create vapor which is collected when cooled separate from the original liquid
  11. 17. method by which a mixture is separated by distributing its components between two phases
  12. 20. homogeneous mixture of two or more substances
  13. 23. study of the effect of chemical structure on the physical properties of a substance
  14. 24. energy released when a compound undergoes complete combustion with oxygen
  15. 26. emission of radiation in the form of particles or high energy photons
  16. 27. mixture that has the same proportions of its components
  17. 28. study of the composition, structure, and properties of matter
  18. 29. quantity of three-dimensional space occupied by a liquid, solid, or gas
  19. 30. study of the quantitative relationships between two or more substances undergoing a physical change or chemical change
  20. 33. substance microscopically dispersed evenly throughout another substance
  21. 36. basic unit of length
  22. 37. the basic unit of mass
  23. 39. any non-zero digits or trapped zeros
  24. 40. material that has a constant composition and has consistent properties
  25. 41. composed of tightly packed particles
  26. 45. unit of electric current equal to one coulomb per second
  27. 46. any standard used for making comparisons in measurements