In physics and chemistry, a solid is one of the fundamental states of matter characterized by structural rigidity, fixed volume, and a definite shape that resists external deformation. At the atomic and molecular level, the particles within a solid are tightly packed together with strong intermolecular forces, restricting them to vibrational motion around fixed spatial positions rather than flowing freely. This dense atomic arrangement gives solids their characteristic mechanical strength, hardness, and stability across various environmental conditions.
1 votes
Marked as accepted