inorganic
yes it is.
Rust.
fe + 2 O ------> FeO2 iron II oxide
13 L of FeO2 can be produced from 50.0 L of O2 at STP.
FeO2 - Iron oxide
FEO2
Iron Oxide is a solid.
approx. 45.6
FeO2= is a ferric ion where FeO3- is a ferrous ion.
no Iron Oxide [Rust] is most often represented as Fe2O3.
Kind of reddish brown. FeO2 is commonly called rust.