Discussion: Naming Type I and Type II Compounds
Name _________________________________________Seat # ________Per ________
Objective ____________________________________________________________________________________________________________________
TYPE II Compounds
Some metals have more than one ionic charge. For example, iron has two ions Fe2+ and Fe3+. When iron combines with chloride ions, it has two formulas FeCl2 and
FeCl3. Write the formulas and names of ions for the metals on page 90 that have more than one ionic charge.
Objective name compounds like FeCl2 and FeCl3 FeO and Fe2O3
Metal
Low charged ion
High charged ion
Low charged ion’s name
High Charged ion’s name
Metal
Iron
Tin
Copper
Lead
Cobalt
Mercury
Explain the suffix –ous
Low charged ion
High charged ion
Explain the suffix -ic
Low charged ion’s name
High Charged ion’s name
Determine if the positive ion is Fe2+ or Fe3+
Fe3P2
Fe2O3
Fe
3
P
?
2
6+
Fe
3-
2
6-
O
?
+6
Name
3
FeS
FeCl2
FeF3
Fe
Fe
Fe
Name
Name
Name
Cu3P
Cu3N2
Cu
Cu
Cu
Name
Name
Name
2-6
Name
Iron(II) phosphide
Ferrous phosphide
Determine if the positive ion is Cu+ or Cu2+
CuCl2
Cu2O
Cu
Cl
Cu
Name
O
Name
CuS
Worksheet
Combine the two ions of iron with the O2- ion
Fe2+ and Fe+3 with
Formula
Combine the two ions of copper and the Br- ion
O2-
Name (has two names)
Formula
Name (has two names)
Combine the two ions of mercury with the ion of sulfur
Combine the two ions of tin with the P3- ion
Formula
Formula
Name (has two names)
Name (has two names)