Teilchenmodell - Particle model

Teilchenmodell - Particle model

thingiverse

Human: The triangles represent water molecules, while the circles signify molecules of other substances. With this model, it's easy to show that the density anomaly of water occurs. In a solid state, the triangles must touch at their peaks in order to maximize attractive forces. Consequently, very large gaps form between the molecules. When ice melts, these gaps disappear.

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