In what state can particles move in any direction?

1 Answer
anor277
Feb 26, 2017

#"In the least dense phase............"#

Explanation:

In both the #"solid"# and #"liquid"# state the movement of particles is tightly constrained by the position and contiguity of other particles. Solids and liquids are largely incompressible because of the density of their component particles.

Is there a #"state/phase"# where particles, atoms and molecules, have a lot of empty space between them?

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