Unit 2: Matter

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Across
  1. 3. mixture a mixture in which substances are evenly distributed throughout the mixture
  2. 4. point the temperature at which a liquid becomes a gas
  3. 6. change a change in which energy is absorbed (feels cold)
  4. 9. a combination of two or more substances that are not chemically combined
  5. 10. a substance made up of atoms of two or more different elements
  6. 12. change a change from one state (solid or liquid or gas) to another without a change in chemical composition
  7. 14. property a property used to characterize materials in reactions that change their identity
  8. 16. formula a combination of chemical symbols and numbers to represent a substance
  9. 17. the change of state from a liquid to a solid
  10. 19. the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
  11. 23. anything that has mass and takes up space
  12. 25. the process of liquid changing state into gas
  13. 27. method of separating a mixture of liquid and solid using filter paper
  14. 29. a substance that cannot be separated or broken down into simpler substancesby chemical means; all atoms of an element have the same atomic number
  15. 30. separation of a homogeneous mixture by evaporation of a liquid or by using an ice water bath
  16. 32. point the temperature and pressure at which a solid becomes a liquid
  17. 33. A change of state from gas to solid
Down
  1. 1. the process of a material becoming incorporated uniformly into another, or of two materials mixing together evenly
  2. 2. mixture A mixture in which different materials can be distinguished easily
  3. 5. a state of matter having no definite shape but a definite volume
  4. 7. the change of a substance from a solid to a gas
  5. 8. the degree of hotness or coldness of a body or environment (corresponding to its kinetic energy)
  6. 11. substance a sample of matter; either a single element or a single compound, that has definite chemical and physical properties
  7. 13. the process of changing from a gaseous to a liquid state
  8. 15. process that separates compounds in a homogeneous liquid using mobile and stationary phases
  9. 18. of conservation of mass a fundamental principle that matter cannot be created or destroyed
  10. 20. change a change in which energy is given off (feels hot)
  11. 21. the smallest unit of an element that maintains the properties of that element
  12. 22. property a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness
  13. 24. the process whereby heat changes something from a solid to a liquid
  14. 26. method of separating a mixture using different boiling points
  15. 28. state of matter that does not have a definite shape or volume
  16. 31. a state of matter having definite shape and volume