- Iron oxide / rust / fe2o3 is made of iron and oxygen
- The chemical symbol for oxygen is o
- The chemical symbol for iron is fe
- Hence, the chemical symbols for the elements found in iron oxide is fe and o

Hence, the chemical symbols for the elements found in iron oxide is fe and o
Question: Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide?
Context: - Iron oxide / rust / fe2o3 is made of iron and oxygen 
- The chemical symbol for oxygen is o 
- The chemical symbol for iron is fe