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5 Written questions

5 Matching questions

  1. What is the second electronegative element?
  2. Electron Transfer reactions
  3. How do you determine the volume of a solid?
  4. When does combination, synthesis, or formation reactions occur?
  5. What is the oxidation number of hydrogen when combined with metals?
  1. a -1
  2. b place solid into the liquid of a partially filled graduated cylinder until it is completely submerged
  3. c Oxygen
  4. d Oxidation-Reduction or Redox Reaction
  5. e when two substances, usually in their elemental forms, combine to form a compound.

5 Multiple choice questions

  1. g/cm3
  2. Oxidation number
  3. Exothermic Reactions
  4. peroxides and superoxides
  5. Endothermic Reactions

5 True/False questions

  1. What is the oxidation number of Gp VIIA elements in compound unless combined with a more negative element?zero


  2. uncombined form of one element displaces (and replaces) another element in a compound, forming a new compoundDouble Displacement or Double Replacement Reaction Ex. AB+CD=AD+CB


  3. The oxidizing agent (recieves the electrons lost by the reducing agent) is another name for?the oxidized species


  4. reducedReactant gains electrons (becomes more negative)


  5. What is the oxidation number of free elements? Ex. Ne, Br2, S8-1


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