human
What are the elements in the compound FeO2 and what is the name of this compound?
gpt
The elements are Iron and Oxygen, and the compound is Iron Oxide, also known as Rust.
Explanation: Iron Oxide, also called Rust, is a compound composed of iron and oxygen and has the chemical formula FeO2, however Iron Oxides can form multiple types including Fe2O3 (iron(III) oxide), commonly refereed to as rust, and FeO (iron(II) oxide) and Fe3O4 (iron(II,III) oxide) .