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5 Written questions

5 Matching questions

  1. What is the oxidation number of hydrogen when combined with metals?
  2. What must the oxidation number for a chemical species equal?
  3. the tendency of an atom in a bond to attract shared electrons
  4. reduced
  5. How do you determine the volume of a sample?
  1. a -1
  2. b Reactant gains electrons (becomes more negative)
  3. c Difference between mass of empty container and container plus sample
  4. d electronegativity
  5. e The net charge on the species

5 Multiple choice questions

  1. the reduced species
  2. g/mL
  3. extensive properties
  4. when combined with other elements
  5. Precipitate

5 True/False questions

  1. What are the exceptions for oxygens oxidation number not to be -2 but -1?Aluminum and gallium


  2. When combined with nonmetals, what is the oxidation number of Hydrogen?+1


  3. The ration of the mass of a substance to its volume (D=m/v)Fluorine


  4. ions from two different compounds change places to form two new compounds.Double Displacement or Double Replacement Reaction Ex. AB+CD=AD+CB


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


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