Topic 3 - Particle model of matter ( 1. density and states of matter ) Flashcards

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1
Q

what is density

A

measure of compactness of a substance. relates to the mass and how much space it takes up.

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2
Q

formula for density

A

p = m/v

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3
Q

what are the 3 states of matter

A

solid liquid gas

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4
Q

describe the arrangement of particles in a solid

A

In a solid, particles are packed tightly together in a regular pattern. Solids have fixed shaped that are hard to break apart because individual particles do not have enough energy to escape individually. Solids are ALWAYS in a regular lattice pattern

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5
Q

describe the arrangement of particles in a liquid

A

In liquids, the particles are near each other, but not tightly packed. The particles in a liquid are able to slide past each other. … The looser arrangement of particles is what allows liquids to take on the shape of their container.

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6
Q

describe the arrangement of particles in a gas

A

gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern

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7
Q

what piece of equipment is used to measure the volume of an irregular solid object

A

an eureka can

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7
Q

what piece of equipment is used to measure the volume of an irregular solid object

A

an eureka can

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