Chemicals and Their Properties

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Across
  1. 5. group 18 on periodic table
  2. 10. the vertical columns on perodic table
  3. 11. a defined change in which a substance remains the same substance but changes its physical properties in some way
  4. 12. a change in which a substance changes into one or more diferent substances
  5. 14. a property that is simply a description and does not have a numerical value
  6. 16. charged atoms
  7. 17. negative ion
  8. 18. negativeley charged particles found orbiting nucleus of an atom
  9. 19. initial substance
  10. 20. end result of substances
Down
  1. 1. neutal charged particles found in nucleus of an atom
  2. 2. an information system in the form of special labels, symbols and Material Safety Data Sheets(MSDS) for potentially dangerous chemicals used on the job
  3. 3. group 1 on periodic table
  4. 4. group 17 on periodic table
  5. 6. a property that can be measured
  6. 7. description of a substance that does not involve forming a new substance
  7. 8. description of what a substance does as it changes in to once or more substances
  8. 9. a characteristic, quality or feature of a matter
  9. 13. positive ion
  10. 15. group 2 on periodic table
  11. 20. positively charged particles found in centre of nucleus of an atom