To give your students access to this page you will need to change the default access from "OFF" to "ON". Note that there are also some different quiz questions on oxidation states on MC test: S3.1 Periodic table - oxidation states as the topic is also covered in S3.1.Use the following "quiz" to test your knowledge and understanding of this sub-topic. You have access to the IB data booklet and may use a calculator.