Chemistry Unit 3

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Across
  1. 6. equipment used to test pH value of an acid or alkali
  2. 8. element symbol Li
  3. 9. reaction when a more reactive element dsiplaces a less reactive element
  4. 10. a base that can be dissolved in water
  5. 11. _________ change that can be reversed
  6. 14. reaction when energy is given out to the surrounding
  7. 15. _______indicator used to test for an acid or alkali
  8. 16. element symbol Ca
  9. 18. _________ acid with a chemical formula HNO3
  10. 20. state symbol (s)
Down
  1. 1. element symbol Mg
  2. 2. element in group 3 on the reactivity series
  3. 3. ________ acid with a chemical formula HCl
  4. 4. ___________ change that cannot be reverse
  5. 5. reaction when energy is taken in from the surroundings
  6. 6. most reactive element on the reactivity series
  7. 7. _________ paper used to test for an acid of alkali
  8. 11. least reactive element on the reactivity series
  9. 12. ___________ acid with a chemical formulae H2SO4
  10. 13. can go back to what you started with
  11. 17. state symbol (l)
  12. 19. state symbol (g)