Question

binary ionic compounds with transition metals
transition metals have unpredictable charges.
list the six that are on your oxidation chart with roman numerals
to show they can vary. (striped ½ and ½ on coloring sheets too)

Explanation:

Transition metals often have variable oxidation states. Common ones with variable oxidation states shown with Roman numerals include iron (Fe), copper (Cu), manganese (Mn), chromium (Cr), cobalt (Co), nickel (Ni).

Answer:

Iron (Fe), Copper (Cu), Manganese (Mn), Chromium (Cr), Cobalt (Co), Nickel (Ni)