In the model, the particles are shown as circles or spheres. However, the particles in ice, liquid water and steam look the same because they are all water, but in different states of matter.

The particle model and density - OCR Gateway Solids, liquids and gases Matter is made up of atoms about 0.1 nm in size. Atoms and molecules are arranged differently in solids, liquid and gases.

Liang Zhang, JiaWei Zhou, Bo Zhang, Wei Gong, Numerical investigation on the solid particle erosion in elbow with water–hydrate–solid flow, Science Progress (1933-), Vol. 103, No. 1 (2020), pp. 1-25 ...