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matter

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Questions	Answers
anything that has mass and takes up space	Matter
Light, Sound, and warmth	Non-Matter
the law that states that the masses of chemical substances combine in definite, whole number ratios when forming compounds (never fractions)	law of definite proportions
the random movements of microscopic particles due to collisions	Brownian motion
the process of spreading out and mixing due to random particle motion	diffusion
a model that states that all physical matter exists in the form of particles (atoms or molecules) in constant motion	particle model of matter
the building block of all matter	atom