Chemical Reactions

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Across
  1. 3. turns limewater cloudy
  2. 6. element with the symbol Fe
  3. 9. element with the symbol C
  4. 10. substances in a mixture are not joined together this way...
  5. 12. element with the symbol N
  6. 13. Rows of the periodic table
  7. 16. sign of a chemical reaction
  8. 17. sign of a chemical reaction
  9. 18. sign of a chemical reaction
  10. 21. burns with a pop
  11. 22. relights a glowing splint
  12. 25. elements arranged in this by atomic number
Down
  1. 1. sign of a chemical reaction
  2. 2. when two or more elements are joined together
  3. 4. substance made of only type of atom
  4. 5. element with the symbol K
  5. 7. element with the symbol Rn
  6. 8. used to summarise chemical reactions
  7. 11. columns of the periodic table
  8. 14. element with the symbol Ag
  9. 15. name of compound produced by sodium and oxygen reacting together
  10. 19. element with the symbol Sn
  11. 20. symbol of the element strontium
  12. 23. used to represent each element
  13. 24. element with the symbol Na