Integrated Science II Chapter 7

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Across
  1. 2. a chemical reaction in which one element takes the place of another element in a compound
  2. 8. new substances formed as the result of a chemical reaction
  3. 9. a chemical reaction in which electrons are transferred from one reactant to another
  4. 11. a chemical reaction that absorbs energy from its surroundings
  5. 12. the rate at which reactants change into products over time
  6. 13. an amount of a substance that contains approximately 6.02 x 10 particles of the substance
  7. 14. the energy stored in chemical bonds
  8. 15. a chemical reaction in which two or more substances react to form a single substanct
  9. 16. a subsance that affects the rate of a chemical reaction without being used up in the reaction
  10. 17. a chemical reaction that releases energy to its surroundings
Down
  1. 1. the mass of one mole of a substance
  2. 3. a chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  3. 4. a chemical reaction in which a compound breaks down into two or more simpler substances
  4. 5. a state in which the forward and reverse paths of a physical or chemical change take place at the same rate
  5. 6. numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  6. 7. a substance that undergoes change in a chemical reaction
  7. 10. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  8. 12. a chemical reaction in which the conversion of reactants into products and the conversion of products into reactants happens at the same time