O → oxide → -2 OS
x as OS for P
(x) + 4(-2) = -3
What is the oxidation state of an individual phosphorus atom in PO43-?
Express the oxidation state numerically (e.g., +1).
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Calculate Oxidation Numbers concept. You can view video lessons to learn Calculate Oxidation Numbers. Or if you need more Calculate Oxidation Numbers practice, you can also practice Calculate Oxidation Numbers practice problems.