solid spaces between particles
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solid spaces between particles
particles have space between them
spaces between liquid particles
particles within a solid
particles of matter have spaces between them
space between particles solid liquid gas
particles have empty spaces between them
what is solid particles
spacing of particles in solids and liquids
particle spacing in solid
solid spaces between particles, particles have space between them, spaces between liquid particles, particles within a solid, particles of matter have spaces between them, space between particles solid liquid gas, particles have empty spaces between them, what is solid particles, spacing of particles in solids and liquids, particle spacing in solid