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6 Written questions

6 Multiple choice questions

  1. States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons
  2. States that atoms like hydrogen and helium only need two valence electrons to be stable
  3. a mixture of elements that has metallic properties
  4. the attraction of a metallic cation for delocalized electrons
  5. a chemical reaction in which more energy is released that is required to break bonds in the initial reaction
  6. the positive or negative charge of a monatomic ion

6 True/False questions

  1. Lewis structurea model that uses electron-dot structures to show how electrons are arranged in molecules

          

  2. covalent bonda bond that results from the sharing of valence electrons

          

  3. polar covalenta type of bond that forms when electrons are not shared equally

          

  4. delocalized electronsthe electrons involved in metallic bonding that are free to move easily from one atom to the next throughout the metal and are not attached to a particular atom

          

  5. ionic bondthe force that holds two atoms together

          

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

          

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