Unit 2 Quiz--Naming Compounds

Multiple Choice (Choose the best answer.)

Use the following four compounds to answer to answer questions 1 and 2:

I. Cu(NO3)2

II. CH3OH

III. Phosphorus Trichloride

IV. Sodium Sulfate

  1. Which compound(s) above would be expected to conduct electricity when dissolved in water?

    I only

    II only

    II and III only

    II and IV only

    None of these are correct.


  2. Which compound(s) above is/are molecular?

    I only

    II only

    II and III only

    II and IV only

    None of these are correct.


  3. Prefixes are used to name what types of compounds?

    Acidic Compounds

    Ionic Compounds

    Molecular Compounds

    Organic Compounds

    More than one of the above is correct.


  4. Which of the metals listed below can have more than one charge?

    Lithium

    Sulfide

    Iron

    Chloride

    More than one of the above is correct.


  5. The aluminum ion is Al3+ while the sulfate ion is SO42-. What would be the correct formula for aluminum sulfate?

    AlSO4

    Al2SO4 3

    Al3(SO4)2

    Al2(SO4)3

    Al2S3O12


  6. What would be the best name for B2S3?

    Beryllium Sulfide

    Boron Sulfide

    Diboron Trisulfide

    Diboron Trisulfate

    None of these are correct.


  7. What would be the best name for Cr(OH)3?

    Mono Chromium Trioxide Trihydride

    Chromium Trioxide Trihydride

    Chromium Trihydroxide

    Chromium Hydroxide

    Chromium (III) Hydroxide


  8. What would be the best name for K3PO4?

    Potassium Phosphate

    Potassium (I) Phosphate

    Tripotassium Phosphate

    Tripotassium Monophosphorus Tetroxide

    Potassium Phosphide Oxide


  9. What is the formula for tetraphosphorus hexoxide?

    4P7O

    P4O7

    P4O6

    (P)4(O)7

    None of these are correct.


  10. What is the formula for magnesium iodide?

    MgI

    MgI2

    Mg2I

    Mg2I2

    None of these are correct.


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