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6 Written questions

6 Multiple choice questions

  1. the electrostatic force that holds oppositely charged particles together; usually a nonmetal paired with a metal
  2. a model that uses electron-dot structures to show how electrons are arranged in molecules
  3. a chemical reaction in which more energy is released that is required to break bonds in the initial reaction
  4. a mixture of elements that has metallic properties
  5. forms when two or more atoms covalently bond; usually includes two or more nonmetals
  6. a bond that results from the sharing of valence electrons

6 True/False questions

  1. monatomic ionion formed from only one atom

          

  2. endothermicchemical reaction in which a greater amount of energy is required to break the existing bonds in reactants than is released when the new bonds form in product molecules

          

  3. octet ruleStates that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons

          

  4. duet ruleStates that atoms like hydrogen and helium only need two valence electrons to be stable

          

  5. chemical bondthe electrostatic force that holds oppositely charged particles together; usually a nonmetal paired with a metal

          

  6. expanded octeta chemical reaction in which more energy is released that is required to break bonds in the initial reaction