The term SILVER OR GOLD is a reference to two metals and elements. Silver is a soft, white, lustrous transition METAL, and it is the most reflective of all metals. It has the highest electrical conductivity of any ELEMENT and the highest thermal conductivity of any METAL. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile METAL. It is a chemical ELEMENT with the symbol Au and atomic number 79. Gold is a precious METAL that has been used for coinage, jewelry, and other arts throughout recorded history.