Stoichiometry Tic-Tac-Toe Unit Project

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Across
  1. 4. the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)
  2. 5. an uncombined element in a compound
  3. 7. the extended version of the molecular equation
  4. 8. the mass of one mass
  5. 9. a chemical reaction that occurs when a single compound breaks down into two or more elements or new compounds
  6. 10. Reaction a chemical reaction in which two compounds exchange positive ions and form two new compounds
  7. 13. chemical equation with the same number of atoms of each element on both sides of the equation
  8. 14. a unit of measurement that equals 6.02x10^23
  9. 15. a process in which one or more substances, the reactants, are converted to one or more different substances, the products.
  10. 17. the chemist that discovered the mole
  11. 19. a representation of a chemical reaction in which the reactants and products are expressed as formula
  12. 20. the substance that is not used up completely in a reaction
Down
  1. 1. the elements or compounds that enter into a chemical reaction
  2. 2. a chemical reaction in which two more substance react to produce a single product
  3. 3. new substances formed as a result of a chemical reaction
  4. 6. a chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  5. 11. the reactant that limits the amounts of the other reactants that can combine and the amount of product that can form in a chemical reaction
  6. 12. the relative number of moles of the substances required to produce a given amount of product in a chemical reaction
  7. 16. A small whole number that appears in front of a formula in a balanced chemical equation
  8. 18. the ratio of the actual yield to the theoretical yield expressed as a percent
  9. 21. a substance that affects the rate of a chemical reaction without being used up in the reaction