Gases have a high density is not an observed property of gases
Particles in a gas are far from one another. At normal pressure and low temperatures, they resemble a "ideal gas," where there is little particle interaction and collisions are totally elastic. At greater pressures, intermolecular interactions between gas particles have a more significant impact on the characteristics. Because of the space between atoms or molecules, most gases are transparent. Some of them have a faint colour, like fluorine and chlorine. In comparison to other states of matter, gases typically react to electric and gravitational fields less strongly. In contrast to liquids and solids, gases have a low density and low viscosity.
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