C2 Flashcards

1
Q

What are the three states of matter?

A

Solid, liquid and gas

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2
Q

For substance, to change from one state to another…

A

Energy must be transferred

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3
Q

The particles gain energy this results in…

A

The breaking of some of the attractive forces between particles during melting

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4
Q

When a liquid evaporates particles…

A

Leave the surface of the liquid only

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5
Q

What happens when a liquid boils?

A

Bubbles of gas form throughout the liquid before rising to the surface and escaping.

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6
Q

What is the amount of energy needed for a substance to change state dependent on?

A

The strength of the attractive forces between particles

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7
Q

When a substance, changes state, the stronger, the forces of attraction…

A

The more energy needed to break them apart

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8
Q

Substances that have strong attractive forces between particles generally have what?

A

Higher melting and boiling points

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9
Q

The particles in a solid are arranged in what pattern

A

Regular

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