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A unitA particular measure of a physical quantity that is used to express the magnitude of the physical quantity; for example, the meter is the unit of the physical quantity, length. of length equal to 100 pm or 10-10 m.
A property for which the value does not depend on the quantity of matterAnything that occupies space and has mass; contrasted with energy. under consideration. DensityThe ratio of the mass of a sample of a material to its volume. is an example of an intensive propertyA property for which the value does not depend on the quantity of matter under consideration. Density is an example of an intensive property; mass and volume are not intensive properties.; massA measure of the force required to impart unit acceleration to an object; mass is proportional to chemical amount, which represents the quantity of matter in an object. and volume are not intensive properties.