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5 Written questions

5 Matching questions

  1. Reactions that absorb heat from their surroundings
  2. a solid compound fromed from double displacement or double replacement reactions
  3. reduced
  4. Which bond will have a negative oxidation number while the other atom will have a positive oxidation number?
  5. What is the oxidation number of Gp VIIA elements in compound unless combined with a more negative element?
  1. a Precipitate
  2. b the more electronegative atom
  3. c -1
  4. d Endothermic Reactions
  5. e Reactant gains electrons (becomes more negative)

5 Multiple choice questions

  1. extensive properties
  2. the oxidized species
  3. +1
  4. when two substances, usually in their elemental forms, combine to form a compound.
  5. Fluorine

5 True/False questions

  1. What electronegative element, combined with any other element has an oxidation number of -1Aluminum and gallium


  2. How do you determine the volume of a sample?Difference between mass of empty container and container plus sample


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


  4. Reactions that releases heat to their surroundingsExothermic Reactions


  5. What are the exceptions for oxygens oxidation number not to be -2 but -1?peroxides and superoxides