Chemistry 115 Section B-Nomenclature Review

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Choose the correct answer.


  1. In the following list, which pair is correct?
    ( 1. PNO3 - potassium nitrate), (2. HNO2- nitrous acid), (3. NH3- ammonium), (4. MgNO3- magnesium nitrate), (5. Fe2O3-iron (II) oxide)

    A. 1
    B. 2
    C. 3
    D. 4
    E. 5

  2. Which of the following formulas is incorrect?
    A. CaPO4
    B. (NH3)2 SO4
    C. NaNO3
    D. NaHCO3
    E. all of these are correct

  3. How many of the following have a charge of -1?
    (the cation in CsCl), ( the barium ion), (the sulfate ion), (the nitrate ion)

    A. 1
    B. 2
    C. 3
    D. 4
    E. none of the above

  4. Which is the formula for aluminum oxide?
    A. AlO
    B. Al2O3
    C. AlO3
    D. AO4
    E. Al3O2

  5. All of the following ions have the same charge except
    A. permanganate
    B. hydrogencarbonate (bicarbonate)
    C. nitrite.
    D. nitride.

  6. The chemical formula of iron(III) sulfide is
    A. Fe2 (SO3) 3
    B. Fe2 (SO4)3
    C. Fe2S3
    D. Fe3 (SO3)2
    E. Fe3 (SO4)2

  7. The correct formula for magnesium phosphate is
    A. MgPO4
    B. Mg3 (PO4)2
    C. Mn2 (PO4) 3
    D. Mg2 (PO4) 3
    E. Mn3 (PO4)2

  8. Choose the pair of names and formulas that do not match.
    A. Ammonium carbonate (NH4) 2CO3
    B. Sodium chlorate NaClO3
    C. Calcium hydrate CaH2
    D. Perchloric acid HClO4
    E. Potassium hydroxide KOH

  9. The formula for terbium phosphate is Tb3 (PO4)4. On the basis of this information, the formula for the sulfate of terbium would be expected to be
    A. Tb2 (SO3) 3
    B. Tb2S3
    C. TbS2
    D. Tb2(SO4)4
    E. Tb(SO4) 2