Chapter 8 Chemistry Vocab

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Across
  1. 4. occurs when a compound is broken down into simpler substances
  2. 5. a substance that dissolves in water, dissociating completely into ions
  3. 6. a chemical showing the complete (undissociated) forms of all reactants and products
  4. 9. a reaction that forms water when an acid is mixed with a base
  5. 13. the new substance formed by a chemical reaction; it is shown to the right of the reaction arrow
  6. 15. a substance that produces hydrogen ions in aqueous solution; a proton donor
  7. 16. a base that completely dissociates to produce ions in solution
  8. 20. a chemical equation for a reaction in solution showing only those components that are directly involved in the reaction; strong electrolytes are represented as ions
  9. 22. the solid that forms in a precipitation reaction
  10. 23. the percent by mass of a component of a mixture or of a given element in a compound
  11. 24. a solid that readily dissolves in water
  12. 27. an ionic compound
  13. 28. a process in which one or more substances are changed into one or more new substances by the reorganization of component atoms
  14. 29. a chemical equation that has the same number of each type of atom on the product side and the reactant side
  15. 31. a formula that gives the exact numbers and types of atoms in a molecule of a substance
  16. 32. an oxidation–reduction reaction that involves
  17. 33. a small unit of mass equal to
Down
  1. 1. a chemical reaction in which a compound is formed from simpler materials
  2. 2. a reaction in which ions in two compounds exchange places, forming two new compounds
  3. 3. a chemical equation for a reaction in solution representing all strong electrolytes
  4. 7. the weighted average of the masses of all the isotopes of an element
  5. 8. a chemical reaction involving the transfer of electrons
  6. 10. a reaction in which a solid forms and separates from the solution as a solid
  7. 11. the number of atoms in exactly of pure 12C, equal to
  8. 12. ions present in solution that do not participate directly in a reaction
  9. 14. the starting substance of a chemical reaction shown to the left of the reaction arrow
  10. 17. a formula that gives the simplest whole number ratio of the atoms present in a compound
  11. 18. a substance that produces hydroxide ions in solution; a proton accepto
  12. 19. the number equal to the number of carbon atoms in exactly of pure 12C; Avogadro’s number; one mole represents
  13. 21. (slightly soluble solid) a solid that dissolves to such a small degree that it is not detectable to the naked eye
  14. 25. an acid that completely dissociates (ionizes) to produce ions in solution
  15. 26. a representation of chemical reaction using the formulas of the starting substances that react and the new substances that are formed
  16. 30. the mass in grams of one mole of a compound