Fill in each blank and click on the "c" button to check your answer. If it is right stars will appear around the word, otherwise incorrect letters/characters will be blanked out. All answers in this exercise are lower case words and capital roman numerals surrounded by parentheses. For example Fe₂O₃ is iron(III) oxide. (note the lack of a space before the parentheses)

Any errors or comments? Send an email to Keith Robinson