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4 Cards in this Set
- Front
- Back
why do crystals hav a regular shape
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they are solid an d solids have particles closely packed in regular rows.
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why gases diffuse
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when two gases are mixed together they diffuse quickly as the particles in a gas hav weak forces between them
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describe brownian motion
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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.
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what is osmosis
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osmosis is the movement of particles from an are of high concentration to an area of low concentration via a semi-permeable membrane..
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