Chapter 7 Vocabulary

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Across
  1. 3. energy stored in the bonds of chemical compounds
  2. 4. chemical reaction in which the reactants absorb heat energy from the surroundings to form products
  3. 8. a substance that takes part in and undergoes change during a reaction
  4. 12. chemical reaction in which energy is released in the form of light or heat
  5. 14. chemical reaction that includes a transfer of electrons between two species
  6. 15. the number in front of the formula - tells how many molecules of a given formula are present
Down
  1. 1. high-temperature exothermic redox chemical reaction between a fuel and an oxidant that produces oxidized, often gaseous products
  2. 2. chemical reaction in which one element replaces another in a compound
  3. 5. chemical reaction in which two ionic compounds are exchanged and form two new components
  4. 6. chemical process in which simple elements or compounds combine to form a more complex product
  5. 7. chemical process in which one reactant breaks down into two or more products
  6. 9. unit of measurement for amount of substance - quantity proportional to the number of elementary entities of a substance
  7. 10. species formed from chemical reactions
  8. 11. the ratio between the mass and the amount of substance of any sample of said compound
  9. 13. reaction rearrangement of the molecular or ionic structure of a substance