0
Gold(III)Oxide is Au2O3
If it existed it would be gold(II) oxide. The stable gold oxide is gold(III) oxide Au2O3
Au2O does not exist. However, a compound name would be 'Gold(1) Oxide'.
The main oxide of gold is 'Au2O3' Gold (III) Oxide.
However, gold is a very inert metal, to the point of being found native as nuggets.
Pure metal is weaker than alloyed metal. !
and
zinc oxide + Gold = zinc oxide + gold. !
gold 3 oxide