Naming Simple Ionic, Covalent and Acidic Compounds Worksheet - Answer Key

 

Back to the other Nomenclature Workbooks and other General Chemistry Workbooks

Go To -> Worksheet - Answer Key

  1. Ionic Compounds

     

    (if the metal develops only one possible charge)

      2.  

    1. How do you identify this type of compound?

      It is composed of a metal and a non-metal.  The metal is one that is in the representative families (like Na+ and Mg2+) or one of the few transition metals known to primarily carry on charge (like Ag+, Zn2+, Cd2+)

      2.  

    2. Rules for Naming

        3.  

      1. Name the metal cation first using its name from the periodic table.

        2.  

      2. Name the anion using element root name with “-ide” suffix.

        3.  

      3. There is absolutely no need to indicate the number of atoms for each element.  The ratio of elements can be determined by looking at the charges on each.

          4.  

        1. Name the following

            2.  

          1. CaCl2

            Metal = Calcium
            Nonmetal = Chlor – ide
            Full name = Calcium chloride

            2.  

          2. Mg3N2

            Metal = Magnesium
            Nonmetal = Nitr - ide
            Full name = Magnesium nitride
  2. Rules for Naming Ionic Compounds

     

    (if the metal can develop more than one charge)

      3.  

    1. How do you identify this type of compound?

      It is composed of a metal and a non-metal.  The metal is one that is in the transition metal family and known to carry multiple possible charges  (like Fe2+ or Fe3+).

      2.  

    2. Rules for Naming

        3.  

      1. Name the metal cation first using its name from the periodic table and indicate its charge using roman numerals in parentheses after the name.

        2.  

      2. In order to determine the charge on the metal ion you use the anion.  Rememer the ratio of the elements must result in an overall neutral compound.

        3.  

      3. Name the anion using element root name with “-ide” suffix.

          4.  

        1. Name the following

            2.  

          1. CuF



            Metal = Copper (I)
            Nonmetal = Fluor - ide
            Full name = Copper (I) fluoride

            2.  

          2. Hg2O

            Metal = Mercury (I)
            Nonmetal = Ox - ide
            Full name = Mercury (I) oxide
  3. Covalent Compounds

      4.  

    1. How do you identify this type of compound?

      Contains only nonmetals.

      2.  

    2. Rules for Naming

        3.  

      1.  Indicate “a” using prefix (see naming information sheet) and attach to “X” element name. (If a=1 simply use element name – do not use prefix mono-)

        2.  

      2.  Indicate “b” using prefix (see naming information sheet) and attach to “Y” element root name with “-ide” suffix.

          3.  

        1. Name the following

            2.  

          1. N2O4

            First element =  Dinitrogen
            Second Element = Tetroxide
            Full name = Dinitrogen tetroxide

            2.  

          2. H2O

            Bit of a trick question in that we refer to this compound almost exclusively as water. 
  4. What is a polyatomic ion?

    A covalently bonded molecule with an overall charge.

      5.  

    1. Name the following

        2.  

      1. CaSO­3

        Cation =  Calcium
        Anion = Sulfite
        Full name = Calcium sulfite

        2.  

      2. NH4Cl            

        Cation = Ammonium
        Anion = Chloride
        Full name = Ammonium chloride                            

     

  5. Acids
    1. How do you identify an acid?

      For now, an acid is identified as a compound that has one or more hydrogens attached to an anion.  The anion is what we derive the name from.

      2.  

    2. Rules for Naming

      The naming depends on the anion present.  If the anion present ends on…
      1.  “-ide” the name is “hydro + anion root + ic acid”
      2.  “-ite” the name is “anion root + ous acid”
      3.  “-ate” the name is “anion root + ic acid”

       

    3. Name the Following

        4.  

      1. HC2H3O2

        anion = acetate
        acid name = Acetic acid

        2.  

      2. HCl

        anion = chloride
        acid name = hydrochloric acid

Home . Support Us . Contact Us