What is the chemical name for PbO2?

The correct answer to this question is lead(IV) oxide. First, you must determine the type of compound you are working with. Then you must apply the naming convention rules to name the type of compound. This is an an ionic (Metal and Non-Metal) compound. You name the non-metal (Oxygen), then replace the -ygen with -ide.

Then, you can look at the chemical formula to find the charge for Pb. O has an ionic charge of -2, and thus there are two O atoms the total negative charge is -4. Then, the lead must have a +4 for the compound to be balanced. That's why there is a (IV) after the name for Pb.