Question

What quantities are used to describe particle size?

Short answer

Mass, radius or diameter, volume, and surface area are the variables that may be used to determine particle size.

Step-by-step solution

Given information

Particle size is a concept that was developed to compare the dimensions of solid, liquid, and gaseous particles.

Particle size quantities 

Particles that resemble spheres and have the same volume as a sphere are the most prevalent. The diameter of a sphere is defined as a straight line travelling through the centre from one side to the other. The radius is half of the diameter. Many graphs for particle dispersion may be determined based on volume and other characteristics. The diameter, volume, and surface area of particles may all be employed to define their size. The radius and diameter of a particle can indicate whether it is little or large. The radius or diameter of a sphere may also be used to calculate volume and surface area. Even the radius of a circle may be computed using mass.