Gold is an element, so it's made out of gold atoms.
GOLD dollars (the kind made from 1849 to 1889) are real gold, with 10% copper added for hardness. "GOLDEN" dollars (the kind made since 2000) are made of brass. After all, with the price of gold at...
It is usually coated with gold but there are certain cups that are made up of gold and this depends how prestigious the cup is.
food
Jewelry, coins and also tests are being done on using gold as an industrial catalyst