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Usually in a gas, the distance between molecules is larger.
me
-- The product of the electric charges on both particles.-- The distance between the centers of charge on both particles.-- The electrostatic permittivity of the space between themor of the substance in that space.
the distance between the particles and the average kinetic movement of the particles.
Attractive forces pull particles together.
Density.
water
The electric force between two charged particles is inversely proportional to the square distance between them.Accordingly, it is reduced by a factor of 9
Closely packed ,tightly packed
As air pressure in an area increases, the density of the gas particles in that area decreases.
It is a decrease.
Particles are always in motion because they have an amount of heat energy stored within them. As additional heat is added, the substance's particles gain more energy, and will in turn increase distance between themselves, and weaken the bonds between them. In turn, when heat is taken away from a substance (it is cooled down) the particles loose energy, and the distance between them will decrease, causing the bonds between them to strengthen. The whole idea is known as the particle theory. However, particles may not be always in motion. Scientists discovered the temperature point of absolute zero, which is -273.15°C, or 0°K (Kelvin). This is the lowest temperature possible.