Chemistry Revision

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Across
  1. 2. the type of salt produced when using nitric acid
  2. 3. Protons and neutrons are found in the __________ of the atom
  3. 4. the gas produced when a metal reacts with a acid
  4. 5. a non-metal found on the metal side of the periodic table
  5. 7. when an atom gains electron to become negative
  6. 12. soapy feel; reacts with an acid; releases hydroxide ion
  7. 13. tells us how many subatomic particles are in the nucleus of an atom
  8. 18. the type of salt produced when using hydrochloric acid
  9. 19. the neutral substance produced when an acid and a base react
  10. 21. A positively charged subatomic particle
  11. 22. will turn blue litmus red
  12. 23. Has protons, neutrons and electrons
  13. 24. the element in group 14, period 2
Down
  1. 1. the gas produced when a metal reacts with a carbonate
  2. 2. A neutral particle found in the center of the atom
  3. 6. The colour of a neutral substance on the pH scale
  4. 8. the name of the reaction between an acid and a base
  5. 9. the element in group 2, period 3
  6. 10. will turn red litmus blue
  7. 11. tells us how many protons an atom has
  8. 14. produces sulfate salts
  9. 15. the charge of a neutron
  10. 16. Found orbiting around the center of the atom; negatively charged
  11. 17. when an atom loses electrons to become positive
  12. 20. The charge of a proton
  13. 25. sour taste; reacts with a base; releases hydrogen ions