Martina has a sample of an unknown substance, she measures the substance, its mass is 13.5 grams, and its volume is 5cm^3
which metal might her sample be made of?
silver density: 10.49 g/cm^3 copper density: 8.96 gm/cm^3 iron density: 7.87 g/cm^3 aluminum density: 2.7 g/cm^3