Chemistry U3 P1: Reactions

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Across
  1. 3. A molecule consisting of two atoms
  2. 5. A starting material in a chemical reaction
  3. 8. a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
  4. 10. both sides of the equation have the same number of atoms of each element
  5. 11. A solid that forms from a solution during a chemical reaction.
  6. 14. use the types of replacements given the reactants. Then predict the products.
  7. 15. the annual rate of return on a bond if the bond were held to maturity
  8. 17. a reaction in which two or more substances combine to form a new compound
  9. 18. a solid that readily dissolves in water
  10. 19. a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light
  11. 20. a reaction in which a single compound breaks down to form two or more simpler substances
  12. 21. a chemical change that involves an exchange of positive ions between two compounds
Down
  1. 1. Matter is not created nor destroyed in any chemical or physical change
  2. 2. A reaction that releases energy in the form of heat
  3. 4. A reaction that ABSORBS energy in the form of heat
  4. 6. a solid that dissolves to such a small degree that it is not detectable to the naked eye
  5. 7. a chemical change in which one element replaces a second element in a compound
  6. 9. a list of elements organized according to the ease with which the elements undergo certain chemical reactions
  7. 12. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  8. 13. the process by which one or more substances change to produce one or more different substances
  9. 16. The elements or compounds produced by a chemical reaction.
  10. 17. solid, liquid, gas