Chapter 2 Test

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Across
  1. 3. matter that always has exactly the same composition
  2. 7. homogenous, scatters light, can't be filtered
  3. 9. physical or chemical change - electrolysis
  4. 10. a substance that is made of two or more simpler substances and can be broken down into those simpler substances
  5. 12. separation of water by electric current
  6. 15. physical or chemical change - wood chopped
  7. 16. homogenous, doesnt scatter light, can't separate
  8. 20. separation based on the size of the particles
  9. 21. mass per unit volume
Down
  1. 1. separation based on boiling point
  2. 2. describes how readily a substance combines chemically with other substances
  3. 4. a material's ability to burn in the presence of oxygen
  4. 5. element name for the symbol B
  5. 6. physical or chemical change - vinegar and baking soda combined
  6. 8. heterogenous, scatters light, can be filtered
  7. 11. parts of a mixture that are noticeably different from another
  8. 13. resistance to flow
  9. 14. a substance that cannot be broken down into simpler substances
  10. 15. physical or chemical change - dying icing pink with food coloring
  11. 17. hammered into sheets
  12. 18. smallest particle of an element
  13. 19. element name for the symbol Li