Solid: Regular ordered arrangement of particles, particles can only vibrate about a fixed position, Low particle energy, Cannot be compressed., Fixed volume and shape, , Gas: Particles are more widely spread and rarely in contact, Moving rapidly and freely into any available space, No fixed volume or shape, Can be compressed, Fills entirely any enclosed container, , Liquid: Particles are in contact with each other but are not fixed in their positions, Particles move and slide past one another, Fixed volume but no fixed shape, Cannot easily be compressed, Takes the shape of its container , ,

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