All are metals and used to make coins.
They are metals
Copper and gold.
gold,silver and copper are the most common
Copper, gold, and silver are some common metallic minerals.
All three are malleable, ductile, and good conducters.
Gold? Silver? Copper? Gold colored, silver colored, copper colored.
All three are malleable, ductile, and good conducters.
Copper
Not a meaningful question. Gold coins were made from gold and copper without any silver in them. Silver coins were made from silver and copper without any gold.
Silver is the most electrically conductive, but copper and gold are used because copper is less expensive, and gold does not corrode.
Gold, Silver and Copper belong to the native elements mineral group.
Gold