• Density is the ratio of the mass of an object to its volume.
  • Water has a density of 1.0 g/mL.
  • Metals are expected to have a density greater than that of water and zinc’s density falls within the range of the other metals listed above.
  • Densities of some common substances at 20°C are listed in Table below.
  • Density can be used to determine an unknown mass or an unknown volume.
  • The SI units of density are kilograms per cubic meter (kg/m3)
Select from the frequently asked questions below