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4 Cards in this Set

  • Front
  • Back
why do crystals hav a regular shape
they are solid an d solids have particles closely packed in regular rows.
why gases diffuse
when two gases are mixed together they diffuse quickly as the particles in a gas hav weak forces between them
describe brownian motion
in 1827 robert noted that when pollen grains are suspended in water they move in an irregular patten...this is so because they are bombarded by water particle.
what is osmosis
osmosis is the movement of particles from an are of high concentration to an area of low concentration via a semi-permeable membrane..