Describe the arrangement and movement of the particles in a solid, liquid and gas. In a solid ... A model may be an equation, a diagram or an analogy that helps explain a scientific idea.

The focus is that matter, whether solid, liquid, or gas, is made up of particles; that dissolving and evaporation happen at the particle level; and that models can help explain these processes that we ...

PARTICLE growth in supersaturated solutions has stimulated much theoretical and experimental work, but less attention has been paid to the subsequent reaction of particle coarsening in a matrix of ...