A colloidal system is a mixture where one substance is dispersed evenly throughout another at a microscopic level, with particle sizes typically ranging from 1 nanometer to 1 micrometer. These systems exhibit unique properties such as the Tyndall effect and are stabilized by various forces including electrostatic and steric interactions.

Colloidal System

colloidal system

microscopic level

particle sizes

1 nanometer

1 micrometer

unique properties

The Tyndall effect is the scattering of light by particles in a colloid or in fine suspensions, which makes the path of the light visible. This phenomenon is used to distinguish between true solutions and colloidal mixtures, as true solutions do not scatter light.

Tyndall effect

stabilized by various forces

Electrostatic interactions are forces between charged particles, which can be attractive or repulsive depending on the charges involved. These interactions play a crucial role in various physical, chemical, and biological processes, influencing the structure and behavior of molecules and materials.

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