Chem

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Across
  1. 5. exchange of ions between 2 compounds
  2. 6. an atom replaces another in a compound
  3. 7. substance formed during a chemical reaction
  4. 10. when a substance is dissolved in water
  5. 11. symbolic representation of a chemical reaction
  6. 12. one substance breaks down into 2 or more substances
  7. 13. 2 or more substances combine
  8. 14. a substance combines with oxygen and releases energy
  9. 15. a solid formed from the reaction of 2 aqueous solutions
Down
  1. 1. when the number of atoms in the reactants is the same as the product
  2. 2. process where atoms rearrange to form new substances
  3. 3. acid-base reaction where the result is a Ph close to 7
  4. 4. substance before a reaction occurs
  5. 8. represents the number of particles needed
  6. 9. represents the number of atoms in an element