CHM 1045
Fall 1999
Dr. Michael Blaber

Name_________________________SS #__________________________

Homework #2

(Due in Recitation Tues Sep 14)

  1. Given the following structural formulas, write out the molecular and empirical formulas (2 points)

    2. Structural Formula

    Molecular Formula

    Empirical Formula

    C2H6

    CH3

    C3H8O2

    C3H8O2

     

  2. What is the most likely chemical formula for an ionic compound involving the elements Sodium and Sulfur? (1 point)

    3. Na2S

     

  3. Write the ionic charges for the ions in the following compound: FeCl3 (1 point)

    4. Fe3+

    Cl -

     

  4. Give names for the following compounds or ions (2 points)

    5.  

    HFO

    Hypofluorous acid

    BrO -

    Hypobromite

    HIO3

    Iodic acid

    FO4 -

    Perfluorate
  5. For the following elements write down the most probable ionic form (2 points)

    6. Al Al3+

    O O2-

    Cl Cl -

    Rb Rb +

  6. For the ions in question #1 give examples of the ionic compounds they might form with each other (2 points)

Al2O3

AlCl3

Rb2O

RbCl