Number density is number of objects per unit volume

Number density, or concentration, is the number of particles per unit volume. See Quantity is volumetric density times volume for a more general law.

Links:

  1. Wikipedia.

number_density

number_density of particles.

Symbol:

n

Latex:

\(n\)

Dimension:

1/volume

number_of_objects

positive_number of particles within the volume.

Symbol:

N

Latex:

\(N\)

Dimension:

dimensionless

volume

volume in which the particles are located.

Symbol:

V

Latex:

\(V\)

Dimension:

volume

definition

n = N / V

Latex:
\[n = \frac{N}{V}\]