what is density

 

Asked by rahul020619999 | 26th Apr, 2014, 07:36: PM

Expert Answer:

It is the ratio of mass and volume of a substance.
Density = Mass/volume
 
Its SI unit is kgm3.
 
Density of a crystalline solid = n.A / N.V
Here, n = number of atoms in a unit cell
N = Avagadro's number
A = Atomic weight
V = Volume of unit cell

Answered by  | 26th Apr, 2014, 11:38: PM

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