Chemical reactions

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Across
  1. 4. what reacts in a chemical reactions.
  2. 8. Representation of chemical reaction
  3. 9. The ___________ greenhouse effect takes place when the amount of gasses increase significantly.
  4. 10. The proportion of chemical ecuations it is given by coefficients ___________.
  5. 14. One reagent gives two products.
  6. 15. It is produced when gasses are emited into the atmosphere and react with water vapour.
  7. 16. The weight of a molecule.
Down
  1. 1. If we mix bleach with mouthwash it is produced a change _______.
  2. 2. It's a factor that can increase the rate of a chemical reaction.
  3. 3. Several reagents give one product.
  4. 5. what is formed in a chemical reaction.
  5. 6. combination of atoms.
  6. 7. Mixing vinegar and bicarbonate generates a
  7. 11. The _______ layer absorbs ultraviolet radiation, which is harmful to health.
  8. 12. In a chemical reaction there can be light and energy _________.
  9. 13. Scientific who demonstrated mass conservation.
  10. 17. Chemical product that we use to clean.