Additional Questions

  1. Give the structures of the anions for an asbestos-like mineral and for muscovite (white mica)
  2. Circle the most correct answer.
    1. Which has the higher melting point?

      CCl4, CBr4

    2. Which has the lower melting point?

      NaF, NaI

    3. Which is harder?

      CO2, SiO2

    4. Which has the strongest intermolecular forces?

      PCl3, BCl3, BH3

    5. Which has the higher melting point?

      MgCl2, BCl3, BI3

  3. Make a sketch showing the structure of SiO2.
  4. Give formulas for the following compounds:
    1. aluminum oxide
    2. magnesium hydroxide
    3. silver iodide
    4. cobaltous phosphate
    5. ferric arsenate
    6. chromic perchlorate
    7. lithium dihydrogen phosphate
    8. cuprous hypoiodite
    9. ammonium bromate
    10. auric sulfite
    11. cadmium nitride
    12. ferrous sulfide
    13. nickel nitrite
    14. barium sulfate
  5. Name the following compounds:
    1. Rb2O
    2. K3PO3
    3. Ni(ClO2)2
    4. HgF2
    5. PbCO3
    6. Mn(OH)2
    7. BaHPO4
    8. CsNO3
    9. Ca(HCO3)2
    10. Fe(CN)3
    11. H3PO2
  6. Calculate the potential energy (in kJ/mol) of a mole of CaO using 2.40 Å as the interionic distance and assuming that it has the NaCl structure (M= 1.76).
  7. In each of the following pairs of compounds which has the highest lattice energy?
    1. lithium fluoride or cesium fluoride
    2. lithium chloride or lithium iodide
    3. sodium chloride or magnesium chloride
  8. Which has:
    1. the greatest hardness--CaF2 or TiO2?
    2. the highest ionization energy--Na or Mg or Ca?
    3. the greatest electron affinity--N or O or S?
    4. the highest electronegativity--Si, Ge, or Sn?
    5. the lowest melting point--LiF, LiCl, or LiI?
  9. Predict which has the highest melting point:
    1. NaBr or CsBr
    2. NaF or NaI
    3. NaCl or MgCl2
    4. MgCl2 or MgS
    5. MgF2 or MgCO3