Nothing. Some other element or ore would be used.
if today was a gold rush people would leave there jobs farms nad there would be more population in the gold fields when Australia doesn't need a gold rush because many people have jobs
People hoped for fortune as miners
Gold is mined because people want gold, and are willing to pay for it.
They would be rich. Some people think that if you steal something fron a pyramid you would get cursed, but this has never happened, so i think nothing will happen
there would be war and there would be gangs.
You would get arrested
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.
They would get a gold medal.
You would get a cat with a beard and a pot of gold.
To ground price will fall
It will pass through your body unchanged.
The value of gold would simply diminish since it is not as rare anymore.