Chemistry

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Across
  1. 1. Particles are spread out and moving so they can be easily compressed
  2. 3. is made up of two or more different types of atom chemically joined
  3. 5. contains only one type of atom and cannot be broken down into anything simpler
  4. 6. Gas test that Ignites with a squeaky pop
  5. 9. colour is hand soap with Universal indicator
  6. 10. Particles are close together and in a regular arrangement
  7. 13. Happens when the ph of the mouth is 5.5 or less
  8. 15. colour is the strongest acid with Universal indicator
  9. 16. Gas test that Relights a glowing splint
  10. 17. pH for Hydrochloric acid/HCI
  11. 19. Gas test that turns limewater to milky white
Down
  1. 2. Happens when too much acid is in the stomach causing burning sensation
  2. 4. Has a melting point of -39 and a boiling point of 360degrees
  3. 7. can be used to separate mixtures of coloured soluble substances in a solution
  4. 8. method to separate insoluble solid from a liquid
  5. 11. pH for water
  6. 12. probe connected to a digital reader that will give a measurement for the pH
  7. 13. pH for Sodium hydroxide/NAOH
  8. 14. pH of a neutral substance
  9. 18. Particles are close together with most touching each other In random arrangement