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6 Written questions

6 Multiple choice questions

  1. a bond that results from the sharing of valence electrons
  2. the positive or negative charge of a monatomic ion
  3. a model that uses electron-dot structures to show how electrons are arranged in molecules
  4. the force that holds two atoms together
  5. forms when two or more atoms covalently bond; usually includes two or more nonmetals
  6. an element that can make bonds with more than 8 electrons, able to do so because they all have empty d orbitals

6 True/False questions

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

          

  2. ionic bondthe force that holds two atoms together

          

  3. formula unitforms when two or more atoms covalently bond; usually includes two or more nonmetals

          

  4. alloyforms when two or more atoms covalently bond; usually includes two or more nonmetals

          

  5. exothermicchemical 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

          

  6. 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