Density is commonly expressed in units of grams per cubic centimetre. The SI unit of density is kilogram per cubic meter kgm 3. M mass in kg or g.
Furthermore it has a strong relationship with the mass of an object.
Density is commonly expressed in units of grams per cubic centimetre. A rock has a mass of 20 grams and a volume of 4 cubic centimeters. A 500ml jug full of feathers or a 500ml jug full of lead then the answer would be the lead. Its letter symbol is B.