U4 Vocabulary: Chemical Reactions

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Across
  1. 6. / chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
  2. 8. / a substance that enters into
  3. 9. / where two compounds react
Down
  1. 1. / a chemical reaction where one reactant is exchanged for one ion of a second reactant
  2. 2. / chemical reaction in which less energy is needed to break bonds
  3. 3. / type of reaction in which multiple reactants combine to form a single product
  4. 4. /when one reactant breaks down into two or more products
  5. 5. / an important number that characterizes some physical property of a technical or scientific object
  6. 7. / formed from chemical reactions