Chap 7 Vocab

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Across
  1. 4. a chemical process in which two or more simple elements or compounds combine to form a more complex product
  2. 9. The substances which participate in a chemical reaction
  3. 11. reactions that absorb (or use) energy
  4. 14. a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  5. 15. occur when parts of two ionic compounds are exchanged, making two new compounds
  6. 16. a chemical reaction that releases energy in the form of heat, light, sound, or electricity
Down
  1. 1. a reaction in which a compound breaks down into two or more simpler substances.
  2. 2. a reaction in which one element is substituted for another element in a compound.
  3. 3. the energy which is stored in the bonds of chemical compounds (molecules and atoms)
  4. 5. reactions that involve the transfer of electrons from one species to another
  5. 6. Exothermic, Endothermic, & Chemical Change | Energy ...
  6. 7. a number that is constant for a given substance, body, or process under certain specified conditions, serving as a measure of one of its properties
  7. 8. the species formed from chemical reactions
  8. 10. a graphic representation that shows how chemical reactions produce products.
  9. 12. the unit of measurement in the International System of Units (SI) for amount of substance.
  10. 13. the mass of a chemical compound divided by its amount-of-substance measured in moles.