Chemical Reactions 1.3

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Across
  1. 3. indicate the number of molecules present in a chemical equation
  2. 5. A+B-->AB
  3. 6. is the burning of a substance in the presence of oxygen
  4. 8. interaction between molecules that causes a chemical change, converting an existing substance into a new substance
  5. 9. For instance, water is ice in its solid form.
  6. 11. A+BX-->B+AX
  7. 12. can have a corrosive effect
  8. 14. H202(aq) + light ------> H2O(l) + O2(g)
  9. 15. Any substance having a pH between 7 to 14 on the pH scale
Down
  1. 1. indicates the number of atoms of an element in a compound, or the matter state of the compound.
  2. 2. an ionic substance formed when a water molecule combines with a hydrogen ion
  3. 4. In a common chemical reaction, the _________ oxygen and a hydrocarbon (such as oil, gasoline, or wood) produce water, carbon dioxide, and heat.
  4. 7. from one state of matter to another without a change in chemical composition
  5. 10. the substances that are formed during a chemical reaction
  6. 13. AC+BD-->AD+BC