The forces of attractions between molecules of a solid is very great. Hence, the molecules are very densely packed (ie, very close to each other). That is why they do not posses fluidity.
In liquids and gases (fluids), the molecular attraction is much less, which allows them to flow.
It is easy to pour a liquid rather than solids because the molecule makeup of fluid is less packed than the molecule makeup of solids. In other words, the molecules of solids are more tightly packed than of fluids.
Because diffusion involves the random movement of particles. In a solid, particles cannot move to an area of low concentration as the intermolecular forces are too great. So the particles stay tightly packed in a solid.
small amounts fill large containers
PENIS
Amorphous solids are non-crystalline solids that lack the long-range order of crystal structures. Even amorphous solids have some short-range order.
The ability to flow and take the shape of their container is a property of liquids and gases that solids do not have. This property is known as fluidity.
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Fluid or Fluidity
The property would be fluid or fluidity.
It is easy to pour a liquid rather than solids because the molecule makeup of fluid is less packed than the molecule makeup of solids. In other words, the molecules of solids are more tightly packed than of fluids.
Because viscosity refers to the degree of fluidity of a liquid, and that's something visible.It is a physical property.
Fluid or Fluidity
Because diffusion involves the random movement of particles. In a solid, particles cannot move to an area of low concentration as the intermolecular forces are too great. So the particles stay tightly packed in a solid.
small amounts fill large containers
PENIS
Amorphous solids are non-crystalline solids that lack the long-range order of crystal structures. Even amorphous solids have some short-range order.
they conform to the shape of whatever they are put into.