AIt has the highest electrical conductivity of all metals. b. It is a precious metal used to make ornaments, jewelry, and utensils. c. It is a copper alloy, usually mixed tin as the main additive. d. It is very ductile and malleable, slightly harder than gold.
C is the correct answer. Silver is not a copper alloy mixed with tin; it is a free, pure form of metal found in the Earth's crust. It does naturally alloy with other metals including gold, but in itself, it is not an alloy.
