The quantity that describes how tightly packed matter is inside an object is called density. Density is the amount of mass per unit volume, and it determines how closely the particles of matter are packed within the object.
The quantity that describes how tightly packed matter is inside an object is called density. Density is defined as the amount of mass per unit volume. It is typically expressed in units such as grams per cubic centimeter (g/cm^3) or kilograms per cubic meter (kg/m^3).
