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5 Written questions

5 Matching questions

  1. Resonance Structures
  2. Octet Rule
  3. Ions
  4. Metallic Bond
  5. Ionization Energy
  1. a The energy required to remove an electron from an atom or ion in the gaseous state. Increases from left to right and from bottom to top on the Periodic Table.
  2. b Occurs when the nuclei of a collection of metal atoms simultaneously attract their collective electrons.
  3. c States that representative elements tend to gain, lose, or share electrons until they are surrounded by eight valence electrons (an octet).
  4. d Two or more Lewis structures that are equally good representations of the bonding in a molecule or ion. Usually differ only in the positions of multiple bonds or single, unpaired electrons.
  5. e Form when electrons transfer from an atom of low ionization energy (usually a metal) to an atom of high electron affinity (usually a nonmetal). The electrostatic attraction between two oppositely charged ions constitutes this bond.

5 Multiple choice questions

  1. (∆ H lattice) is the energy required to completely separate a mole of a solid ionic compound into its gaseous ions. Ionic compounds tend to have high lattice energies, which tend to make ionic compounds hard and brittle with relatively high melting points.
  2. Refers to the arrangement of a molecule's atoms in three-dimensional space.
  3. Al, B
  4. The arrangement of electron domains around the central atom of a molecule.
  5. Results from sharing electrons between two atoms, usually nonmetal atoms.

5 True/False questions

  1. Molecular GeometryRefers to the arrangement of a molecule's atoms in three-dimensional space.

          

  2. Electronegativity and PolarityThe greater the electronegativity difference between two atoms the more polar the bond.

          

  3. IsoelectricWhen an atom gains or loses electrons to attain an octet of valence electrons, it does not become a noble gas. Chloride ion, Cl-, has the same electron configuration as argon, but it is not argon. Chloride ion has the same number of electrons (term) with argon but chloride has one fewer proton.

          

  4. LatticeA stable, ordered, solid three-dimensional array of ions associated with ionic compounds.

          

  5. Ionic>2.0

          

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