Chemistry Redox Crossword

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Across
  1. 3. What word can you make with Cobalt,Oxygen,Potassium,Iodine,Einsteinium?
  2. 4. A substance that speeds up a reaction
  3. 7. What is NH4 called?
  4. 8. An element in group 8 of the periodic table
  5. 12. A substance with the symbol Fe
  6. 13. An element in group 7 of the periodic table
  7. 16. The chemical reaction between Iron oxide and Aluminium
  8. 17. What is C6H8O7 called?
  9. 18. A way to remember redox
  10. 19. A substance gaining valence electrons
  11. 20. The reaction between an acid and an alkali
Down
  1. 1. A substance with a PH level above 7
  2. 2. Herr Szartowicz's favourite beach
  3. 5. A chemical reaction which releases heat
  4. 6. what is H2SO4 called?
  5. 9. A substance losing valence electrons
  6. 10. A chemical reaction which uses up more heat than it produces
  7. 11. An element in group 1 of the periodic table
  8. 14. What is the most common element in the universe?
  9. 15. A measurement of a substance's acidity
  10. 21. A substance with a PH level below 7