Question

explain what is density

Answer 1

Density is the amount of mass in a specified space. It is a way to measure how compact an object is. It is the number of molecules in an area or the mass per unit volume of matter. 



Density = Mass / Volume.



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Answer 2

Density

Density of a substance is defined as the mass of the substance per unit volume.

Density = Mass/Volume

Unit of Density = Unit of mass/Unit of Volume

SI unit of Density = kg/m^3

CGS unit of Density = g/ml (As 1 cm^3 = ml)

But we generally use g/cm^3

Density is the characteristic property of a substance.

Density of a substance determines how densely the molecules of the substance are packed in a given volume.