How do I give a name for the following?

K2CO3
Fe2O3
PbCrO4

1 answer

Learn the names associated with the negative radical (carbonate, oxide and chromate) and (in the case of iron) the oxidation state of the positive ion. Fe is Fe+3 (ferric) in this case.

The compounds names are potassium carbonate, iron (ferric) carbonate and lead chromate.