A cube of an unknown metal was dropped in a graduated cylinder containing 45.0mL of water. After the metal cube sank to the bottom of the graduated cylinder, the water level read 45.5mL. If the metal cube weighs 10.7grams what is the identity?

A.) platinum: D= 21.4 g/cm^3

B.) Gold: D=19.3g/cm^3

C.) silver: D=10.5 g/cm^3

D.) Copper: D=8.92g/cm^3