States of Matter Flashcards

1
Q

What are the three states of matter?

A

Solid
Liquid
Gas

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2
Q

How is a particle in a particle model represented?

A

Solid sphere

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3
Q

What do the properties of each state of matter depend on?

A

The forces between the particles

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4
Q

Solid properties.

A

String forces of attraction between each particle which hold them in fixed positions in a regular lattice arrangement.
The particles don’t move from their positions.
They keep a definite shape and volume.
The particles in a solid dong have much energy.
The particles can only vibrate in their fixed positions.
The hotter the solid become the more they vibrate.

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5
Q

Liquid properties.

A

There is some force of attraction between the particles.
The particles are free to move but they tend to stick together.
Liquids don’t keep a definite shape but they do keep the same volume.
The particles have more energy than a solid but less than a gas.
The particles are constantly moving with random motion.
The hotter the liquid gets, the faster they move.

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6
Q

Gas properties.

A

There is barely any force of attraction between the particles, they’re free to move.
The particles travel in straight lines and only interact when they collide.
Gases don’t keep a definite shape or volume and will always fill any container.
Gas state particles have more energy than in a solid or liquid state.
The particles move constantly with random motion. The hotter the gas gets the quicker they move.

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7
Q

What can adding and subtracting energy from a substance do?

A

Covert it from one physical state to another

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8
Q

What is it called when a substance changes from one state of matter to another?

A

Physical changes

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10
Q

What are chemical changes?

A

When bonds break between the atoms and the atoms change places. The atoms from the substances you start off with (the reactants) are rearranged to form different substances (the products)

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11
Q

How can you create a physical change?

A

Heating or cooling

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